61610147 has 2 divisors, whose sum is σ = 61610148. Its totient is φ = 61610146.

The previous prime is 61610111. The next prime is 61610177. The reversal of 61610147 is 74101616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61610147 - 2⁶ = 61610083 is a prime.

It is a Chen 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 (61610177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30805073 + 30805074.

It is an arithmetic number, because the mean of its divisors is an integer number (30805074).

Almost surely, 2^61610147 is an apocalyptic number.

61610147 is a deficient number, since it is larger than the sum of its proper divisors (1).

61610147 is an equidigital number, since it uses as much as digits as its factorization.

61610147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 61610147 is about 7849.2131452777. The cubic root of 61610147 is about 394.9578484102.

The spelling of 61610147 in words is "sixty-one million, six hundred ten thousand, one hundred forty-seven".