1525257232 has 10 divisors (see below), whose sum is σ = 2955185918. Its totient is φ = 762628608.

The previous prime is 1525257143. The next prime is 1525257247. The reversal of 1525257232 is 2327525251.

It can be written as a sum of positive squares in only one way, i.e., 1361314816 + 163942416 = 36896^2 + 12804^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47664273 + ... + 47664304.

Almost surely, 2^1525257232 is an apocalyptic number.

It is an amenable number.

1525257232 is a deficient number, since it is larger than the sum of its proper divisors (1429928686).

1525257232 is an equidigital number, since it uses as much as digits as its factorization.

1525257232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95328585 (or 95328579 counting only the distinct ones).

The product of its digits is 42000, while the sum is 34.

The square root of 1525257232 is about 39054.5417589299. The cubic root of 1525257232 is about 1151.1034731578.

The spelling of 1525257232 in words is "one billion, five hundred twenty-five million, two hundred fifty-seven thousand, two hundred thirty-two".