61305496 has 32 divisors (see below), whose sum is σ = 134578080. Its totient is φ = 25632000.

The previous prime is 61305481. The next prime is 61305499. The reversal of 61305496 is 69450316.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61305499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11055 + ... + 15646.

It is an arithmetic number, because the mean of its divisors is an integer number (4205565).

Almost surely, 2^61305496 is an apocalyptic number.

It is an amenable number.

61305496 is an abundant number, since it is smaller than the sum of its proper divisors (73272584).

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

61305496 is a wasteful number, since it uses less digits than its factorization.

61305496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26755 (or 26751 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 61305496 is about 7829.7826278895. The cubic root of 61305496 is about 394.3057741267.

The spelling of 61305496 in words is "sixty-one million, three hundred five thousand, four hundred ninety-six".