61351307 has 2 divisors, whose sum is σ = 61351308. Its totient is φ = 61351306.

The previous prime is 61351289. The next prime is 61351331. The reversal of 61351307 is 70315316.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61351307 - 2¹² = 61347211 is a prime.

It is not a weakly prime, because it can be changed into another prime (61351357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30675653 + 30675654.

It is an arithmetic number, because the mean of its divisors is an integer number (30675654).

Almost surely, 2^61351307 is an apocalyptic number.

61351307 is a deficient number, since it is larger than the sum of its proper divisors (1).

61351307 is an equidigital number, since it uses as much as digits as its factorization.

61351307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 61351307 is about 7832.7075140082. The cubic root of 61351307 is about 394.4039656728.

The spelling of 61351307 in words is "sixty-one million, three hundred fifty-one thousand, three hundred seven".