36381251 has 2 divisors, whose sum is σ = 36381252. Its totient is φ = 36381250.

The previous prime is 36381223. The next prime is 36381271. The reversal of 36381251 is 15218363.

It is a strong prime.

It is an emirp because it is prime and its reverse (15218363) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36381251 - 2⁶ = 36381187 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36381211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18190625 + 18190626.

It is an arithmetic number, because the mean of its divisors is an integer number (18190626).

Almost surely, 2^36381251 is an apocalyptic number.

36381251 is a deficient number, since it is larger than the sum of its proper divisors (1).

36381251 is an equidigital number, since it uses as much as digits as its factorization.

36381251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 29.

The square root of 36381251 is about 6031.6872432181. The cubic root of 36381251 is about 331.3542481426.

The spelling of 36381251 in words is "thirty-six million, three hundred eighty-one thousand, two hundred fifty-one".