61650652 has 48 divisors (see below), whose sum is σ = 127733760. Its totient is φ = 25489152.

The previous prime is 61650637. The next prime is 61650679. The reversal of 61650652 is 25605616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103668 + ... + 104260.

It is an arithmetic number, because the mean of its divisors is an integer number (2661120).

Almost surely, 2^61650652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61650652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63866880).

61650652 is an abundant number, since it is smaller than the sum of its proper divisors (66083108).

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

61650652 is a wasteful number, since it uses less digits than its factorization.

61650652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730 (or 728 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 61650652 is about 7851.7929162708. The cubic root of 61650652 is about 395.0443831985.

The spelling of 61650652 in words is "sixty-one million, six hundred fifty thousand, six hundred fifty-two".