25262423210 has 8 divisors (see below), whose sum is σ = 45472361796. Its totient is φ = 10104969280.

The previous prime is 25262423149. The next prime is 25262423213. The reversal of 25262423210 is 1232426252.

It can be written as a sum of positive squares in 2 ways, for example, as 24906836761 + 355586449 = 157819^2 + 18857^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×25262423210² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25262423213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1263121151 + ... + 1263121170.

Almost surely, 2^25262423210 is an apocalyptic number.

25262423210 is a deficient number, since it is larger than the sum of its proper divisors (20209938586).

25262423210 is a wasteful number, since it uses less digits than its factorization.

25262423210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526242328.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 25262423210 its reverse (1232426252), we get a palindrome (26494849462).

The spelling of 25262423210 in words is "twenty-five billion, two hundred sixty-two million, four hundred twenty-three thousand, two hundred ten".