36909401 has 2 divisors, whose sum is σ = 36909402. Its totient is φ = 36909400.

The previous prime is 36909361. The next prime is 36909403. The reversal of 36909401 is 10490963.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25000000 + 11909401 = 5000^2 + 3451^2 .

It is a cyclic number.

It is not a de Polignac number, because 36909401 - 2⁶ = 36909337 is a prime.

It is a Sophie Germain prime.

Together with 36909403, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (36909403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18454700 + 18454701.

It is an arithmetic number, because the mean of its divisors is an integer number (18454701).

Almost surely, 2^36909401 is an apocalyptic number.

It is an amenable number.

36909401 is a deficient number, since it is larger than the sum of its proper divisors (1).

36909401 is an equidigital number, since it uses as much as digits as its factorization.

36909401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 36909401 is about 6075.3107739440. The cubic root of 36909401 is about 332.9499845223.

The spelling of 36909401 in words is "thirty-six million, nine hundred nine thousand, four hundred one".