2530640225 has 12 divisors (see below), whose sum is σ = 3143251200. Its totient is φ = 2021120400.

The previous prime is 2530640221. The next prime is 2530640239. The reversal of 2530640225 is 5220460352.

It is not a de Polignac number, because 2530640225 - 2² = 2530640221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2530640221) 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, 69521 + ... + 99470.

It is an arithmetic number, because the mean of its divisors is an integer number (261937600).

Almost surely, 2^2530640225 is an apocalyptic number.

2530640225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2530640225 is a deficient number, since it is larger than the sum of its proper divisors (612610975).

2530640225 is a wasteful number, since it uses less digits than its factorization.

2530640225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169600 (or 169595 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2530640225 is about 50305.4691360691. The cubic root of 2530640225 is about 1362.7310003084.

The spelling of 2530640225 in words is "two billion, five hundred thirty million, six hundred forty thousand, two hundred twenty-five".