25532423310 has 64 divisors (see below), whose sum is σ = 63433497600. Its totient is φ = 6569442432.

The previous prime is 25532423309. The next prime is 25532423311. The reversal of 25532423310 is 1332423552.

It is an interprime number because it is at equal distance from previous prime (25532423309) and next prime (25532423311).

It is a super-5 number, since 5×25532423310⁵ (a number of 53 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25532423311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1399467 + ... + 1417593.

It is an arithmetic number, because the mean of its divisors is an integer number (991148400).

Almost surely, 2^25532423310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25532423310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31716748800).

25532423310 is an abundant number, since it is smaller than the sum of its proper divisors (37901074290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25532423310 is a wasteful number, since it uses less digits than its factorization.

25532423310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19785.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 25532423310 its reverse (1332423552), we get a palindrome (26864846862).

It can be divided in two parts, 2553242 and 3310, that added together give a palindrome (2556552).

The spelling of 25532423310 in words is "twenty-five billion, five hundred thirty-two million, four hundred twenty-three thousand, three hundred ten".