2566210252 has 6 divisors (see below), whose sum is σ = 4490867948. Its totient is φ = 1283105124.

The previous prime is 2566210249. The next prime is 2566210307. The reversal of 2566210252 is 2520126652.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320776278 + ... + 320776285.

Almost surely, 2^2566210252 is an apocalyptic number.

It is an amenable number.

2566210252 is a deficient number, since it is larger than the sum of its proper divisors (1924657696).

2566210252 is a wasteful number, since it uses less digits than its factorization.

2566210252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641552567 (or 641552565 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2566210252 is about 50657.7758295802. The cubic root of 2566210252 is about 1369.0860496313.

The spelling of 2566210252 in words is "two billion, five hundred sixty-six million, two hundred ten thousand, two hundred fifty-two".