61676137 has 2 divisors, whose sum is σ = 61676138. Its totient is φ = 61676136.

The previous prime is 61676129. The next prime is 61676159. The reversal of 61676137 is 73167616.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58201641 + 3474496 = 7629^2 + 1864^2 .

It is a cyclic number.

It is not a de Polignac number, because 61676137 - 2³ = 61676129 is a prime.

It is equal to p_3655567 and since 61676137 and 3655567 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 61676096 and 61676105.

It is not a weakly prime, because it can be changed into another prime (61676117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30838068 + 30838069.

It is an arithmetic number, because the mean of its divisors is an integer number (30838069).

Almost surely, 2^61676137 is an apocalyptic number.

It is an amenable number.

61676137 is a deficient number, since it is larger than the sum of its proper divisors (1).

61676137 is an equidigital number, since it uses as much as digits as its factorization.

61676137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 37.

The square root of 61676137 is about 7853.4156263374. The cubic root of 61676137 is about 395.0988098690.

The spelling of 61676137 in words is "sixty-one million, six hundred seventy-six thousand, one hundred thirty-seven".