1525250352 has 20 divisors (see below), whose sum is σ = 3940230200. Its totient is φ = 508416768.

The previous prime is 1525250347. The next prime is 1525250381. The reversal of 1525250352 is 2530525251.

It is a super-2 number, since 2×1525250352² = 4652777272552247808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15887977 + ... + 15888072.

It is an arithmetic number, because the mean of its divisors is an integer number (197011510).

Almost surely, 2^1525250352 is an apocalyptic number.

1525250352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1525250352 is an abundant number, since it is smaller than the sum of its proper divisors (2414979848).

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

1525250352 is a wasteful number, since it uses less digits than its factorization.

1525250352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31776060 (or 31776054 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 1525250352 is about 39054.4536768856. The cubic root of 1525250352 is about 1151.1017423888.

The spelling of 1525250352 in words is "one billion, five hundred twenty-five million, two hundred fifty thousand, three hundred fifty-two".