2566534 has 8 divisors (see below), whose sum is σ = 3902760. Its totient is φ = 1265616.

The previous prime is 2566519. The next prime is 2566549. The reversal of 2566534 is 4356652.

It is an interprime number because it is at equal distance from previous prime (2566519) and next prime (2566549).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2566496 and 2566505.

It is a congruent number.

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, 8644 + ... + 8935.

It is an arithmetic number, because the mean of its divisors is an integer number (487845).

2^2566534 is an apocalyptic number.

2566534 is a deficient number, since it is larger than the sum of its proper divisors (1336226).

2566534 is a wasteful number, since it uses less digits than its factorization.

2566534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17654.

The product of its digits is 21600, while the sum is 31.

The square root of 2566534 is about 1602.0405737683. The cubic root of 2566534 is about 136.9143620938.

The spelling of 2566534 in words is "two million, five hundred sixty-six thousand, five hundred thirty-four".