2506431250 has 24 divisors (see below), whose sum is σ = 4699269540. Its totient is φ = 1002570000.

The previous prime is 2506431247. The next prime is 2506431259. The reversal of 2506431250 is 521346052.

It can be written as a sum of positive squares in 6 ways, for example, as 38229489 + 2468201761 = 6183^2 + 49681^2 .

It is a super-2 number, since 2×2506431250² = 12564395221953125000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2506431259) 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, 194265 + ... + 206764.

Almost surely, 2^2506431250 is an apocalyptic number.

2506431250 is a deficient number, since it is larger than the sum of its proper divisors (2192838290).

2506431250 is an frugal number, since it uses more digits than its factorization.

2506431250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401056 (or 401036 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2506431250 is about 50064.2711921386. The cubic root of 2506431250 is about 1358.3716183103.

The spelling of 2506431250 in words is "two billion, five hundred six million, four hundred thirty-one thousand, two hundred fifty".