36057661 has 2 divisors, whose sum is σ = 36057662. Its totient is φ = 36057660.

The previous prime is 36057617. The next prime is 36057667. The reversal of 36057661 is 16675063.

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., 23765625 + 12292036 = 4875^2 + 3506^2 .

It is a cyclic number.

It is not a de Polignac number, because 36057661 - 2⁷ = 36057533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36057667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18028830 + 18028831.

It is an arithmetic number, because the mean of its divisors is an integer number (18028831).

Almost surely, 2^36057661 is an apocalyptic number.

It is an amenable number.

36057661 is a deficient number, since it is larger than the sum of its proper divisors (1).

36057661 is an equidigital number, since it uses as much as digits as its factorization.

36057661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 36057661 is about 6004.8031608039. The cubic root of 36057661 is about 330.3689201370.

The spelling of 36057661 in words is "thirty-six million, fifty-seven thousand, six hundred sixty-one".