25530250334 has 16 divisors (see below), whose sum is σ = 40971760080. Its totient is φ = 11895024960.

The previous prime is 25530250303. The next prime is 25530250337. The reversal of 25530250334 is 43305203552.

It is a super-2 number, since 2×25530250334² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25530250334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25530250337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5504639 + ... + 5509274.

It is an arithmetic number, because the mean of its divisors is an integer number (2560735005).

Almost surely, 2^25530250334 is an apocalyptic number.

25530250334 is a deficient number, since it is larger than the sum of its proper divisors (15441509746).

25530250334 is a wasteful number, since it uses less digits than its factorization.

25530250334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11013995.

The product of its (nonzero) digits is 54000, while the sum is 32.

Adding to 25530250334 its reverse (43305203552), we get a palindrome (68835453886).

The spelling of 25530250334 in words is "twenty-five billion, five hundred thirty million, two hundred fifty thousand, three hundred thirty-four".