1525113212 has 24 divisors (see below), whose sum is σ = 3132667104. Its totient is φ = 635954112.

The previous prime is 1525113209. The next prime is 1525113221. The reversal of 1525113212 is 2123115251.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735023 + ... + 737094.

It is an arithmetic number, because the mean of its divisors is an integer number (130527796).

Almost surely, 2^1525113212 is an apocalyptic number.

It is an amenable number.

1525113212 is an abundant number, since it is smaller than the sum of its proper divisors (1607553892).

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

1525113212 is a wasteful number, since it uses less digits than its factorization.

1525113212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472165 (or 1472163 counting only the distinct ones).

The product of its digits is 600, while the sum is 23.

The square root of 1525113212 is about 39052.6978837570. The cubic root of 1525113212 is about 1151.0672416429.

Adding to 1525113212 its reverse (2123115251), we get a palindrome (3648228463).

The spelling of 1525113212 in words is "one billion, five hundred twenty-five million, one hundred thirteen thousand, two hundred twelve".