2565402248 has 16 divisors (see below), whose sum is σ = 4900887180. Its totient is φ = 1258499008.

The previous prime is 2565402239. The next prime is 2565402277. The reversal of 2565402248 is 8422045652.

It can be written as a sum of positive squares in 2 ways, for example, as 2304192004 + 261210244 = 48002^2 + 16162^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3024815 + ... + 3025662.

Almost surely, 2^2565402248 is an apocalyptic number.

It is an amenable number.

2565402248 is a deficient number, since it is larger than the sum of its proper divisors (2335484932).

2565402248 is a wasteful number, since it uses less digits than its factorization.

2565402248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6050536 (or 6050532 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 38.

The square root of 2565402248 is about 50649.8000785788. The cubic root of 2565402248 is about 1368.9423431511.

The spelling of 2565402248 in words is "two billion, five hundred sixty-five million, four hundred two thousand, two hundred forty-eight".