61650532 has 12 divisors (see below), whose sum is σ = 108025596. Its totient is φ = 30786080.

The previous prime is 61650529. The next prime is 61650539. The reversal of 61650532 is 23505616.

It can be written as a sum of positive squares in 2 ways, for example, as 46158436 + 15492096 = 6794^2 + 3936^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61650532.

It is not an unprimeable number, because it can be changed into a prime (61650539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6103 + ... + 12670.

It is an arithmetic number, because the mean of its divisors is an integer number (9002133).

Almost surely, 2^61650532 is an apocalyptic number.

It is an amenable number.

61650532 is a deficient number, since it is larger than the sum of its proper divisors (46375064).

61650532 is a wasteful number, since it uses less digits than its factorization.

61650532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19598 (or 19596 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 61650532 is about 7851.7852747003. The cubic root of 61650532 is about 395.0441268867.

The spelling of 61650532 in words is "sixty-one million, six hundred fifty thousand, five hundred thirty-two".