61613952 has 32 divisors (see below), whose sum is σ = 163663080. Its totient is φ = 20537856.

The previous prime is 61613947. The next prime is 61613963. The reversal of 61613952 is 25931616.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79843 + ... + 80610.

Almost surely, 2^61613952 is an apocalyptic number.

It is an amenable number.

61613952 is an abundant number, since it is smaller than the sum of its proper divisors (102049128).

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

61613952 is a wasteful number, since it uses less digits than its factorization.

61613952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160470 (or 160458 counting only the distinct ones).

The product of its digits is 9720, while the sum is 33.

The square root of 61613952 is about 7849.4555225187. The cubic root of 61613952 is about 394.9659790172.

The spelling of 61613952 in words is "sixty-one million, six hundred thirteen thousand, nine hundred fifty-two".