1525501252 has 24 divisors (see below), whose sum is σ = 2914168320. Its totient is φ = 692969760.

The previous prime is 1525501223. The next prime is 1525501253. The reversal of 1525501252 is 2521055251.

It is a self number, because there is not a number n which added to its sum of digits gives 1525501252.

It is not an unprimeable number, because it can be changed into a prime (1525501253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65053 + ... + 85339.

It is an arithmetic number, because the mean of its divisors is an integer number (121423680).

Almost surely, 2^1525501252 is an apocalyptic number.

It is an amenable number.

1525501252 is a deficient number, since it is larger than the sum of its proper divisors (1388667068).

1525501252 is a wasteful number, since it uses less digits than its factorization.

1525501252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22011 (or 22009 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 1525501252 is about 39057.6657264614. The cubic root of 1525501252 is about 1151.1648567472.

The spelling of 1525501252 in words is "one billion, five hundred twenty-five million, five hundred one thousand, two hundred fifty-two".