252415132 has 6 divisors (see below), whose sum is σ = 441726488. Its totient is φ = 126207564.

The previous prime is 252415109. The next prime is 252415139. The reversal of 252415132 is 231514252.

252415132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 252415097 and 252415106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252415139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31551888 + ... + 31551895.

Almost surely, 2^252415132 is an apocalyptic number.

It is an amenable number.

252415132 is a deficient number, since it is larger than the sum of its proper divisors (189311356).

252415132 is a wasteful number, since it uses less digits than its factorization.

252415132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63103787 (or 63103785 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 252415132 is about 15887.5779148365. The cubic root of 252415132 is about 631.9826111490.

Adding to 252415132 its reverse (231514252), we get a palindrome (483929384).

The spelling of 252415132 in words is "two hundred fifty-two million, four hundred fifteen thousand, one hundred thirty-two".