36455921 has 2 divisors, whose sum is σ = 36455922. Its totient is φ = 36455920.

The previous prime is 36455911. The next prime is 36455941. The reversal of 36455921 is 12955463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21160000 + 15295921 = 4600^2 + 3911^2 .

It is a cyclic number.

It is not a de Polignac number, because 36455921 - 2¹⁰ = 36454897 is a prime.

It is not a weakly prime, because it can be changed into another prime (36455911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18227960 + 18227961.

It is an arithmetic number, because the mean of its divisors is an integer number (18227961).

Almost surely, 2^36455921 is an apocalyptic number.

It is an amenable number.

36455921 is a deficient number, since it is larger than the sum of its proper divisors (1).

36455921 is an equidigital number, since it uses as much as digits as its factorization.

36455921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 35.

The square root of 36455921 is about 6037.8738807630. The cubic root of 36455921 is about 331.5807871159.

The spelling of 36455921 in words is "thirty-six million, four hundred fifty-five thousand, nine hundred twenty-one".