1525955316 has 12 divisors (see below), whose sum is σ = 3560562432. Its totient is φ = 508651768.

The previous prime is 1525955297. The next prime is 1525955317. The reversal of 1525955316 is 6135595251.

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

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1525955317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63581460 + ... + 63581483.

It is an arithmetic number, because the mean of its divisors is an integer number (296713536).

Almost surely, 2^1525955316 is an apocalyptic number.

It is an amenable number.

1525955316 is an abundant number, since it is smaller than the sum of its proper divisors (2034607116).

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

1525955316 is a wasteful number, since it uses less digits than its factorization.

1525955316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127162950 (or 127162948 counting only the distinct ones).

The product of its digits is 202500, while the sum is 42.

The square root of 1525955316 is about 39063.4780325562. The cubic root of 1525955316 is about 1151.2790597929.

The spelling of 1525955316 in words is "one billion, five hundred twenty-five million, nine hundred fifty-five thousand, three hundred sixteen".