61310007 has 32 divisors (see below), whose sum is σ = 104924160. Its totient is φ = 34968960.

The previous prime is 61310003. The next prime is 61310009. The reversal of 61310007 is 70001316.

It is not a de Polignac number, because 61310007 - 2² = 61310003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61310003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1023 + ... + 11120.

It is an arithmetic number, because the mean of its divisors is an integer number (3278880).

Almost surely, 2^61310007 is an apocalyptic number.

61310007 is a deficient number, since it is larger than the sum of its proper divisors (43614153).

61310007 is a wasteful number, since it uses less digits than its factorization.

61310007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12180 (or 12174 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 61310007 is about 7830.0706893361. The cubic root of 61310007 is about 394.3154451994.

The spelling of 61310007 in words is "sixty-one million, three hundred ten thousand, seven".