5257257500 has 60 divisors (see below), whose sum is σ = 12541779096. Its totient is φ = 1911720000.

The previous prime is 5257257493. The next prime is 5257257503. The reversal of 5257257500 is 57527525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5257257503) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 68087 + ... + 123086.

Almost surely, 2^5257257500 is an apocalyptic number.

5257257500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5257257500 is an abundant number, since it is smaller than the sum of its proper divisors (7284521596).

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

5257257500 is a wasteful number, since it uses less digits than its factorization.

5257257500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191208 (or 191191 counting only the distinct ones).

The product of its (nonzero) digits is 122500, while the sum is 38.

The square root of 5257257500 is about 72506.9479429385. The cubic root of 5257257500 is about 1738.8138191966.

The spelling of 5257257500 in words is "five billion, two hundred fifty-seven million, two hundred fifty-seven thousand, five hundred".