1564757052 has 48 divisors (see below), whose sum is σ = 3700613280. Its totient is φ = 514547712.

The previous prime is 1564757017. The next prime is 1564757053. The reversal of 1564757052 is 2507574651.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1564756995 and 1564757013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1564757053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390274 + ... + 394262.

It is an arithmetic number, because the mean of its divisors is an integer number (77096110).

Almost surely, 2^1564757052 is an apocalyptic number.

1564757052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1564757052 is an abundant number, since it is smaller than the sum of its proper divisors (2135856228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1564757052 is a wasteful number, since it uses less digits than its factorization.

1564757052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4430 (or 4428 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 42.

The square root of 1564757052 is about 39557.0101499090. The cubic root of 1564757052 is about 1160.9556759774.

The spelling of 1564757052 in words is "one billion, five hundred sixty-four million, seven hundred fifty-seven thousand, fifty-two".