1016497925 has 24 divisors (see below), whose sum is σ = 1278880200. Its totient is φ = 801377280.

The previous prime is 1016497919. The next prime is 1016497927. The reversal of 1016497925 is 5297946101.

It can be written as a sum of positive squares in 12 ways, for example, as 465610084 + 550887841 = 21578^2 + 23471^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1016497925 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016497927) 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, 909467 + ... + 910583.

It is an arithmetic number, because the mean of its divisors is an integer number (53286675).

Almost surely, 2^1016497925 is an apocalyptic number.

It is an amenable number.

1016497925 is a deficient number, since it is larger than the sum of its proper divisors (262382275).

1016497925 is a wasteful number, since it uses less digits than its factorization.

1016497925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625 (or 1620 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 1016497925 is about 31882.5645925794. The cubic root of 1016497925 is about 1005.4693401160.

The spelling of 1016497925 in words is "one billion, sixteen million, four hundred ninety-seven thousand, nine hundred twenty-five".