2566552 has 32 divisors (see below), whose sum is σ = 5068800. Its totient is φ = 1216800.

The previous prime is 2566549. The next prime is 2566561. The reversal of 2566552 is 2556652.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19527 + ... + 19657.

It is an arithmetic number, because the mean of its divisors is an integer number (158400).

2^2566552 is an apocalyptic number.

It is an amenable number.

2566552 is a deficient number, since it is larger than the sum of its proper divisors (2502248).

2566552 is a wasteful number, since it uses less digits than its factorization.

2566552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 243 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 2566552 is about 1602.0461915937. The cubic root of 2566552 is about 136.9146821691.

The spelling of 2566552 in words is "two million, five hundred sixty-six thousand, five hundred fifty-two".