1564041252 has 12 divisors (see below), whose sum is σ = 3649429616. Its totient is φ = 521347080.

The previous prime is 1564041247. The next prime is 1564041277. The reversal of 1564041252 is 2521404651.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65168374 + ... + 65168397.

Almost surely, 2^1564041252 is an apocalyptic number.

1564041252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1564041252 is an abundant number, since it is smaller than the sum of its proper divisors (2085388364).

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

1564041252 is a wasteful number, since it uses less digits than its factorization.

1564041252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130336778 (or 130336776 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1564041252 is about 39547.9614139591. The cubic root of 1564041252 is about 1160.7786221189.

The spelling of 1564041252 in words is "one billion, five hundred sixty-four million, forty-one thousand, two hundred fifty-two".