61256707 has 2 divisors, whose sum is σ = 61256708. Its totient is φ = 61256706.

The previous prime is 61256687. The next prime is 61256753. The reversal of 61256707 is 70765216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61256707 - 2⁷ = 61256579 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (61256807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30628353 + 30628354.

It is an arithmetic number, because the mean of its divisors is an integer number (30628354).

Almost surely, 2^61256707 is an apocalyptic number.

61256707 is a deficient number, since it is larger than the sum of its proper divisors (1).

61256707 is an equidigital number, since it uses as much as digits as its factorization.

61256707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 61256707 is about 7826.6664040318. Note that the first 3 decimals coincide. The cubic root of 61256707 is about 394.2011457149.

The spelling of 61256707 in words is "sixty-one million, two hundred fifty-six thousand, seven hundred seven".