61630252 has 12 divisors (see below), whose sum is σ = 109621456. Its totient is φ = 30309840.

The previous prime is 61630241. The next prime is 61630267. The reversal of 61630252 is 25203616.

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, 126048 + ... + 126535.

Almost surely, 2^61630252 is an apocalyptic number.

It is an amenable number.

61630252 is a deficient number, since it is larger than the sum of its proper divisors (47991204).

61630252 is a wasteful number, since it uses less digits than its factorization.

61630252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252648 (or 252646 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 61630252 is about 7850.4937424343. The cubic root of 61630252 is about 395.0008054248. Note that the first 3 decimals are identical.

Adding to 61630252 its reverse (25203616), we get a palindrome (86833868).

The spelling of 61630252 in words is "sixty-one million, six hundred thirty thousand, two hundred fifty-two".