2564524733 has 2 divisors, whose sum is σ = 2564524734. Its totient is φ = 2564524732.

The previous prime is 2564524691. The next prime is 2564524759. The reversal of 2564524733 is 3374254652.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1593766084 + 970758649 = 39922^2 + 31157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2564524733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2564524793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282262366 + 1282262367.

It is an arithmetic number, because the mean of its divisors is an integer number (1282262367).

Almost surely, 2^2564524733 is an apocalyptic number.

It is an amenable number.

2564524733 is a deficient number, since it is larger than the sum of its proper divisors (1).

2564524733 is an equidigital number, since it uses as much as digits as its factorization.

2564524733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 41.

The square root of 2564524733 is about 50641.1367664668. The cubic root of 2564524733 is about 1368.7862396999.

The spelling of 2564524733 in words is "two billion, five hundred sixty-four million, five hundred twenty-four thousand, seven hundred thirty-three".