2500257032 has 32 divisors (see below), whose sum is σ = 5769825600. Its totient is φ = 989112384.

The previous prime is 2500256999. The next prime is 2500257049. The reversal of 2500257032 is 2307520052.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 2500256992 and 2500257010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1716482 + ... + 1717937.

It is an arithmetic number, because the mean of its divisors is an integer number (180307050).

Almost surely, 2^2500257032 is an apocalyptic number.

It is an amenable number.

2500257032 is an abundant number, since it is smaller than the sum of its proper divisors (3269568568).

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

2500257032 is a wasteful number, since it uses less digits than its factorization.

2500257032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434445 (or 3434441 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 2500257032 is about 50002.5702539379. The cubic root of 2500257032 is about 1357.2553195161.

Adding to 2500257032 its reverse (2307520052), we get a palindrome (4807777084).

The spelling of 2500257032 in words is "two billion, five hundred million, two hundred fifty-seven thousand, thirty-two".