61520652 has 36 divisors (see below), whose sum is σ = 155749776. Its totient is φ = 20475360.

The previous prime is 61520611. The next prime is 61520663. The reversal of 61520652 is 25602516.

61520652 is a `hidden beast` number, since 6 + 1 + 5 + 2 + 0 + 652 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41793 + ... + 43239.

Almost surely, 2^61520652 is an apocalyptic number.

It is an amenable number.

61520652 is an abundant number, since it is smaller than the sum of its proper divisors (94229124).

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

61520652 is a wasteful number, since it uses less digits than its factorization.

61520652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638 (or 2633 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 61520652 is about 7843.5101835849. The cubic root of 61520652 is about 394.7665169326.

The spelling of 61520652 in words is "sixty-one million, five hundred twenty thousand, six hundred fifty-two".