36577997 has 2 divisors, whose sum is σ = 36577998. Its totient is φ = 36577996.

The previous prime is 36577969. The next prime is 36578011. The reversal of 36577997 is 79977563.

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., 20529961 + 16048036 = 4531^2 + 4006^2 .

It is a cyclic number.

It is not a de Polignac number, because 36577997 - 2⁸ = 36577741 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36577927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18288998 + 18288999.

It is an arithmetic number, because the mean of its divisors is an integer number (18288999).

Almost surely, 2^36577997 is an apocalyptic number.

It is an amenable number.

36577997 is a deficient number, since it is larger than the sum of its proper divisors (1).

36577997 is an equidigital number, since it uses as much as digits as its factorization.

36577997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2500470, while the sum is 53.

The square root of 36577997 is about 6047.9746196557. The cubic root of 36577997 is about 331.9504843414.

The spelling of 36577997 in words is "thirty-six million, five hundred seventy-seven thousand, nine hundred ninety-seven".