61254656 has 44 divisors (see below), whose sum is σ = 125522040. Its totient is φ = 29859840.

The previous prime is 61254653. The next prime is 61254673. The reversal of 61254656 is 65645216.

It is not an unprimeable number, because it can be changed into a prime (61254653) 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, 41255 + ... + 42713.

Almost surely, 2^61254656 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 61254656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62761020).

61254656 is an abundant number, since it is smaller than the sum of its proper divisors (64267384).

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

61254656 is a wasteful number, since it uses less digits than its factorization.

61254656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520 (or 1502 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 61254656 is about 7826.5353765252. The cubic root of 61254656 is about 394.1967461120.

The spelling of 61254656 in words is "sixty-one million, two hundred fifty-four thousand, six hundred fifty-six".