61353956 has 12 divisors (see below), whose sum is σ = 107541420. Its totient is φ = 30627840.

The previous prime is 61353899. The next prime is 61353961. The reversal of 61353956 is 65935316.

It can be written as a sum of positive squares in 2 ways, for example, as 49561600 + 11792356 = 7040^2 + 3434^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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, 9401 + ... + 14528.

It is an arithmetic number, because the mean of its divisors is an integer number (8961785).

Almost surely, 2^61353956 is an apocalyptic number.

It is an amenable number.

61353956 is a deficient number, since it is larger than the sum of its proper divisors (46187464).

61353956 is a wasteful number, since it uses less digits than its factorization.

61353956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24574 (or 24572 counting only the distinct ones).

The product of its digits is 72900, while the sum is 38.

The square root of 61353956 is about 7832.8766107989. The cubic root of 61353956 is about 394.4096420586.

The spelling of 61353956 in words is "sixty-one million, three hundred fifty-three thousand, nine hundred fifty-six".