61313610 has 32 divisors (see below), whose sum is σ = 147588480. Its totient is φ = 16301888.

The previous prime is 61313579. The next prime is 61313617. The reversal of 61313610 is 1631316.

61313610 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61313617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7924 + ... + 13616.

It is an arithmetic number, because the mean of its divisors is an integer number (4612140).

Almost surely, 2^61313610 is an apocalyptic number.

61313610 is an abundant number, since it is smaller than the sum of its proper divisors (86274870).

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

61313610 is a wasteful number, since it uses less digits than its factorization.

61313610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6062.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 61313610 is about 7830.3007605072. The cubic root of 61313610 is about 394.3231692822.

Adding to 61313610 its reverse (1631316), we get a palindrome (62944926).

The spelling of 61313610 in words is "sixty-one million, three hundred thirteen thousand, six hundred ten".