2500355231 has 16 divisors (see below), whose sum is σ = 2878260480. Its totient is φ = 2149773120.

The previous prime is 2500355203. The next prime is 2500355233. The reversal of 2500355231 is 1325530052.

It is not a de Polignac number, because 2500355231 - 2¹⁴ = 2500338847 is a prime.

It is a super-2 number, since 2×2500355231² = 12503552562378126722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2500355231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500355233) 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, 33005 + ... + 78038.

It is an arithmetic number, because the mean of its divisors is an integer number (179891280).

Almost surely, 2^2500355231 is an apocalyptic number.

2500355231 is a deficient number, since it is larger than the sum of its proper divisors (377905249).

2500355231 is a wasteful number, since it uses less digits than its factorization.

2500355231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111166.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 2500355231 is about 50003.5521838199. The cubic root of 2500355231 is about 1357.2730882719.

Adding to 2500355231 its reverse (1325530052), we get a palindrome (3825885283).

The spelling of 2500355231 in words is "two billion, five hundred million, three hundred fifty-five thousand, two hundred thirty-one".