5257090836 has 30 divisors (see below), whose sum is σ = 13743074730. Its totient is φ = 1752363504.

The previous prime is 5257090831. The next prime is 5257090847. The reversal of 5257090836 is 6380907525.

It is a happy number.

5257090836 is a `hidden beast` number, since 525 + 7 + 0 + 90 + 8 + 36 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5249002500 + 8088336 = 72450^2 + 2844^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5257090791 and 5257090800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5257090831) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8112471 + ... + 8113118.

It is an arithmetic number, because the mean of its divisors is an integer number (458102491).

Almost surely, 2^5257090836 is an apocalyptic number.

It is an amenable number.

5257090836 is an abundant number, since it is smaller than the sum of its proper divisors (8485983894).

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

5257090836 is a wasteful number, since it uses less digits than its factorization.

5257090836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16225605 (or 16225594 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 5257090836 is about 72505.7986370745. The cubic root of 5257090836 is about 1738.7954445511.

The spelling of 5257090836 in words is "five billion, two hundred fifty-seven million, ninety thousand, eight hundred thirty-six".