2564733 has 8 divisors (see below), whose sum is σ = 3468096. Its totient is φ = 1685600.

The previous prime is 2564719. The next prime is 2564741. The reversal of 2564733 is 3374652.

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

It is a cyclic number.

It is not a de Polignac number, because 2564733 - 2⁵ = 2564701 is a prime.

It is a super-2 number, since 2×2564733² = 13155710722578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2564733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5808 + ... + 6233.

It is an arithmetic number, because the mean of its divisors is an integer number (433512).

2^2564733 is an apocalyptic number.

It is an amenable number.

2564733 is a deficient number, since it is larger than the sum of its proper divisors (903363).

2564733 is a wasteful number, since it uses less digits than its factorization.

2564733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12115.

The product of its digits is 15120, while the sum is 30.

The square root of 2564733 is about 1601.4783794981. The cubic root of 2564733 is about 136.8823292087.

The spelling of 2564733 in words is "two million, five hundred sixty-four thousand, seven hundred thirty-three".