525040402103 has 12 divisors (see below), whose sum is σ = 610773304752. Its totient is φ = 450025773120.

The previous prime is 525040402039. The next prime is 525040402121. The reversal of 525040402103 is 301204040525.

It is a happy number.

It is not a de Polignac number, because 525040402103 - 2⁶ = 525040402039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525040402703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4119926 + ... + 4245452.

It is an arithmetic number, because the mean of its divisors is an integer number (50897775396).

Almost surely, 2^525040402103 is an apocalyptic number.

525040402103 is a deficient number, since it is larger than the sum of its proper divisors (85732902649).

525040402103 is a wasteful number, since it uses less digits than its factorization.

525040402103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210902 (or 210895 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 525040402103 its reverse (301204040525), we get a palindrome (826244442628).

The spelling of 525040402103 in words is "five hundred twenty-five billion, forty million, four hundred two thousand, one hundred three".