65674057 has 2 divisors, whose sum is σ = 65674058. Its totient is φ = 65674056.

The previous prime is 65674033. The next prime is 65674061. The reversal of 65674057 is 75047656.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57471561 + 8202496 = 7581^2 + 2864^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65674057 is a prime.

It is not a weakly prime, because it can be changed into another prime (65674457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32837028 + 32837029.

It is an arithmetic number, because the mean of its divisors is an integer number (32837029).

Almost surely, 2^65674057 is an apocalyptic number.

It is an amenable number.

65674057 is a deficient number, since it is larger than the sum of its proper divisors (1).

65674057 is an equidigital number, since it uses as much as digits as its factorization.

65674057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 65674057 is about 8103.9531711381. The cubic root of 65674057 is about 403.4576443694.

The spelling of 65674057 in words is "sixty-five million, six hundred seventy-four thousand, fifty-seven".