525851074397 has 16 divisors (see below), whose sum is σ = 607574520000. Its totient is φ = 449796906240.

The previous prime is 525851074387. The next prime is 525851074453. The reversal of 525851074397 is 793470158525.

It is not a de Polignac number, because 525851074397 - 2²⁰ = 525850025821 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 (525851074337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252479 + ... + 1056147.

It is an arithmetic number, because the mean of its divisors is an integer number (37973407500).

Almost surely, 2^525851074397 is an apocalyptic number.

It is an amenable number.

525851074397 is a deficient number, since it is larger than the sum of its proper divisors (81723445603).

525851074397 is a wasteful number, since it uses less digits than its factorization.

525851074397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807196.

The product of its (nonzero) digits is 10584000, while the sum is 56.

The spelling of 525851074397 in words is "five hundred twenty-five billion, eight hundred fifty-one million, seventy-four thousand, three hundred ninety-seven".