413521252 has 6 divisors (see below), whose sum is σ = 723662198. Its totient is φ = 206760624.

The previous prime is 413521249. The next prime is 413521261. The reversal of 413521252 is 252125314.

It can be written as a sum of positive squares in only one way, i.e., 357361216 + 56160036 = 18904^2 + 7494^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51690153 + ... + 51690160.

Almost surely, 2^413521252 is an apocalyptic number.

It is an amenable number.

413521252 is a deficient number, since it is larger than the sum of its proper divisors (310140946).

413521252 is a wasteful number, since it uses less digits than its factorization.

413521252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103380317 (or 103380315 counting only the distinct ones).

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

The square root of 413521252 is about 20335.2219560053. The cubic root of 413521252 is about 745.0165916759.

Adding to 413521252 its reverse (252125314), we get a palindrome (665646566).

The spelling of 413521252 in words is "four hundred thirteen million, five hundred twenty-one thousand, two hundred fifty-two".