36810913 has 2 divisors, whose sum is σ = 36810914. Its totient is φ = 36810912.

The previous prime is 36810901. The next prime is 36810929. The reversal of 36810913 is 31901863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25735329 + 11075584 = 5073^2 + 3328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36810913 is a prime.

It is not a weakly prime, because it can be changed into another prime (36810973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18405456 + 18405457.

It is an arithmetic number, because the mean of its divisors is an integer number (18405457).

Almost surely, 2^36810913 is an apocalyptic number.

It is an amenable number.

36810913 is a deficient number, since it is larger than the sum of its proper divisors (1).

36810913 is an equidigital number, since it uses as much as digits as its factorization.

36810913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 36810913 is about 6067.1997659546. The cubic root of 36810913 is about 332.6535759542.

The spelling of 36810913 in words is "thirty-six million, eight hundred ten thousand, nine hundred thirteen".