525400125052 has 12 divisors (see below), whose sum is σ = 1003036602456. Its totient is φ = 238818238640.

The previous prime is 525400125049. The next prime is 525400125091. The reversal of 525400125052 is 250521004525.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5970455923 + ... + 5970456010.

It is an arithmetic number, because the mean of its divisors is an integer number (83586383538).

Almost surely, 2^525400125052 is an apocalyptic number.

It is an amenable number.

525400125052 is a deficient number, since it is larger than the sum of its proper divisors (477636477404).

525400125052 is a wasteful number, since it uses less digits than its factorization.

525400125052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11940911948 (or 11940911946 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

Adding to 525400125052 its reverse (250521004525), we get a palindrome (775921129577).

The spelling of 525400125052 in words is "five hundred twenty-five billion, four hundred million, one hundred twenty-five thousand, fifty-two".