2555431250 has 24 divisors (see below), whose sum is σ = 4791138660. Its totient is φ = 1022170000.

The previous prime is 2555431247. The next prime is 2555431253. The reversal of 2555431250 is 521345552.

It is an interprime number because it is at equal distance from previous prime (2555431247) and next prime (2555431253).

It can be written as a sum of positive squares in 6 ways, for example, as 502163281 + 2053267969 = 22409^2 + 45313^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2555431253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198185 + ... + 210684.

Almost surely, 2^2555431250 is an apocalyptic number.

2555431250 is a deficient number, since it is larger than the sum of its proper divisors (2235707410).

2555431250 is an frugal number, since it uses more digits than its factorization.

2555431250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408896 (or 408876 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 2555431250 is about 50551.2734755515. The cubic root of 2555431250 is about 1367.1664755951.

The spelling of 2555431250 in words is "two billion, five hundred fifty-five million, four hundred thirty-one thousand, two hundred fifty".