1016587025 has 24 divisors (see below), whose sum is σ = 1339315320. Its totient is φ = 763983360.

The previous prime is 1016586997. The next prime is 1016587027. The reversal of 1016587025 is 5207856101.

It can be written as a sum of positive squares in 12 ways, for example, as 362864401 + 653722624 = 19049^2 + 25568^2 .

It is not a de Polignac number, because 1016587025 - 2²⁴ = 999809809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1016587027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7877 + ... + 45773.

It is an arithmetic number, because the mean of its divisors is an integer number (55804805).

Almost surely, 2^1016587025 is an apocalyptic number.

It is an amenable number.

1016587025 is a deficient number, since it is larger than the sum of its proper divisors (322728295).

1016587025 is a wasteful number, since it uses less digits than its factorization.

1016587025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37973 (or 37968 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 1016587025 is about 31883.9618774079. The cubic root of 1016587025 is about 1005.4987170249.

The spelling of 1016587025 in words is "one billion, sixteen million, five hundred eighty-seven thousand, twenty-five".