61486313 has 4 divisors (see below), whose sum is σ = 70270080. Its totient is φ = 52702548.

The previous prime is 61486309. The next prime is 61486333. The reversal of 61486313 is 31368416.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61486313 - 2² = 61486309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61486313.

It is not an unprimeable number, because it can be changed into a prime (61486333) 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, 4391873 + ... + 4391886.

It is an arithmetic number, because the mean of its divisors is an integer number (17567520).

Almost surely, 2^61486313 is an apocalyptic number.

It is an amenable number.

61486313 is a deficient number, since it is larger than the sum of its proper divisors (8783767).

61486313 is an equidigital number, since it uses as much as digits as its factorization.

61486313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8783766.

The product of its digits is 10368, while the sum is 32.

The square root of 61486313 is about 7841.3208708737. The cubic root of 61486313 is about 394.6930542826.

The spelling of 61486313 in words is "sixty-one million, four hundred eighty-six thousand, three hundred thirteen".