1564084925 has 12 divisors (see below), whose sum is σ = 2088655380. Its totient is φ = 1155016320.

The previous prime is 1564084891. The next prime is 1564084981. The reversal of 1564084925 is 5294804651.

It can be written as a sum of positive squares in 6 ways, for example, as 115369081 + 1448715844 = 10741^2 + 38062^2 .

It is not a de Polignac number, because 1564084925 - 2³⁰ = 490343101 is a prime.

It is a super-2 number, since 2×1564084925² = 4892723305224511250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2405960 + ... + 2406609.

It is an arithmetic number, because the mean of its divisors is an integer number (174054615).

Almost surely, 2^1564084925 is an apocalyptic number.

It is an amenable number.

1564084925 is a deficient number, since it is larger than the sum of its proper divisors (524570455).

1564084925 is a wasteful number, since it uses less digits than its factorization.

1564084925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4812592 (or 4812587 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 1564084925 is about 39548.5135624590. The cubic root of 1564084925 is about 1160.7894262271.

The spelling of 1564084925 in words is "one billion, five hundred sixty-four million, eighty-four thousand, nine hundred twenty-five".