61320607 has 2 divisors, whose sum is σ = 61320608. Its totient is φ = 61320606.

The previous prime is 61320601. The next prime is 61320617. The reversal of 61320607 is 70602316.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61320607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61320601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30660303 + 30660304.

It is an arithmetic number, because the mean of its divisors is an integer number (30660304).

Almost surely, 2^61320607 is an apocalyptic number.

61320607 is a deficient number, since it is larger than the sum of its proper divisors (1).

61320607 is an equidigital number, since it uses as much as digits as its factorization.

61320607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 61320607 is about 7830.7475377514. The cubic root of 61320607 is about 394.3381685310.

The spelling of 61320607 in words is "sixty-one million, three hundred twenty thousand, six hundred seven".