2561252 has 12 divisors (see below), whose sum is σ = 4586736. Its totient is φ = 1250760.

The previous prime is 2561239. The next prime is 2561261. The reversal of 2561252 is 2521652.

It is an alternating number because its digits alternate between even and odd.

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, 7274 + ... + 7617.

It is an arithmetic number, because the mean of its divisors is an integer number (382228).

2^2561252 is an apocalyptic number.

It is an amenable number.

2561252 is a deficient number, since it is larger than the sum of its proper divisors (2025484).

2561252 is a wasteful number, since it uses less digits than its factorization.

2561252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14938 (or 14936 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 2561252 is about 1600.3912021753. The cubic root of 2561252 is about 136.8203730359.

The spelling of 2561252 in words is "two million, five hundred sixty-one thousand, two hundred fifty-two".