36161257 has 8 divisors (see below), whose sum is σ = 39715200. Its totient is φ = 32651760.

The previous prime is 36161239. The next prime is 36161263. The reversal of 36161257 is 75216163.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36161257 - 2²³ = 27772649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36161297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9393 + ... + 12670.

It is an arithmetic number, because the mean of its divisors is an integer number (4964400).

Almost surely, 2^36161257 is an apocalyptic number.

It is an amenable number.

36161257 is a deficient number, since it is larger than the sum of its proper divisors (3553943).

36161257 is a wasteful number, since it uses less digits than its factorization.

36161257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22223.

The product of its digits is 7560, while the sum is 31.

The square root of 36161257 is about 6013.4230684361. The cubic root of 36161257 is about 330.6850080651.

The spelling of 36161257 in words is "thirty-six million, one hundred sixty-one thousand, two hundred fifty-seven".