61207907 has 2 divisors, whose sum is σ = 61207908. Its totient is φ = 61207906.

The previous prime is 61207897. The next prime is 61207921. The reversal of 61207907 is 70970216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61207907 - 2⁶ = 61207843 is a prime.

It is not a weakly prime, because it can be changed into another prime (61207007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30603953 + 30603954.

It is an arithmetic number, because the mean of its divisors is an integer number (30603954).

Almost surely, 2^61207907 is an apocalyptic number.

61207907 is a deficient number, since it is larger than the sum of its proper divisors (1).

61207907 is an equidigital number, since it uses as much as digits as its factorization.

61207907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 61207907 is about 7823.5482359349. The cubic root of 61207907 is about 394.0964381246.

The spelling of 61207907 in words is "sixty-one million, two hundred seven thousand, nine hundred seven".