36405427 has 2 divisors, whose sum is σ = 36405428. Its totient is φ = 36405426.

The previous prime is 36405409. The next prime is 36405431. The reversal of 36405427 is 72450463.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36405427 - 2¹⁵ = 36372659 is a prime.

It is a Chen prime.

It is equal to p_2227585 and since 36405427 and 2227585 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (36405487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18202713 + 18202714.

It is an arithmetic number, because the mean of its divisors is an integer number (18202714).

Almost surely, 2^36405427 is an apocalyptic number.

36405427 is a deficient number, since it is larger than the sum of its proper divisors (1).

36405427 is an equidigital number, since it uses as much as digits as its factorization.

36405427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 36405427 is about 6033.6909930821. The cubic root of 36405427 is about 331.4276288565.

The spelling of 36405427 in words is "thirty-six million, four hundred five thousand, four hundred twenty-seven".