1564016125 has 16 divisors (see below), whose sum is σ = 2230735104. Its totient is φ = 1072467600.

The previous prime is 1564016117. The next prime is 1564016137. The reversal of 1564016125 is 5216104651.

It is not a de Polignac number, because 1564016125 - 2³ = 1564016117 is a prime.

It is a super-2 number, since 2×1564016125² = 4892292878520031250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 892849 + ... + 894598.

It is an arithmetic number, because the mean of its divisors is an integer number (139420944).

Almost surely, 2^1564016125 is an apocalyptic number.

It is an amenable number.

1564016125 is a deficient number, since it is larger than the sum of its proper divisors (666718979).

1564016125 is an equidigital number, since it uses as much as digits as its factorization.

1564016125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787469 (or 1787459 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1564016125 is about 39547.6437351203. The cubic root of 1564016125 is about 1160.7724059485.

The spelling of 1564016125 in words is "one billion, five hundred sixty-four million, sixteen thousand, one hundred twenty-five".