25342912072530 has 96 divisors (see below), whose sum is σ = 70965612297216. Its totient is φ = 6237775412352.

The previous prime is 25342912072529. The next prime is 25342912072537. The reversal of 25342912072530 is 3527021924352.

25342912072530 is a `hidden beast` number, since 2 + 5 + 3 + 4 + 2 + 91 + 20 + 7 + 2 + 530 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (25342912072537) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14503959 + ... + 16157061.

It is an arithmetic number, because the mean of its divisors is an integer number (739225128096).

Almost surely, 2^{25342912072530} is an apocalyptic number.

25342912072530 is an abundant number, since it is smaller than the sum of its proper divisors (45622700224686).

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

25342912072530 is a wasteful number, since it uses less digits than its factorization.

25342912072530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666232 (or 1666229 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

Adding to 25342912072530 its reverse (3527021924352), we get a palindrome (28869933996882).

The spelling of 25342912072530 in words is "twenty-five trillion, three hundred forty-two billion, nine hundred twelve million, seventy-two thousand, five hundred thirty".