36572257 has 2 divisors, whose sum is σ = 36572258. Its totient is φ = 36572256.

The previous prime is 36572233. The next prime is 36572269. The reversal of 36572257 is 75227563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26306641 + 10265616 = 5129^2 + 3204^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36572257 is a prime.

It is a Chen prime.

It is the 6048-th Hogben number.

It is not a weakly prime, because it can be changed into another prime (36572227) by changing a digit.

It is a nontrivial repunit in base 6047.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18286128 + 18286129.

It is an arithmetic number, because the mean of its divisors is an integer number (18286129).

Almost surely, 2^36572257 is an apocalyptic number.

It is an amenable number.

36572257 is a deficient number, since it is larger than the sum of its proper divisors (1).

36572257 is an equidigital number, since it uses as much as digits as its factorization.

36572257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88200, while the sum is 37.

The square root of 36572257 is about 6047.5000620091. The cubic root of 36572257 is about 331.9331196630.

The spelling of 36572257 in words is "thirty-six million, five hundred seventy-two thousand, two hundred fifty-seven".