36158401 has 4 divisors (see below), whose sum is σ = 36347904. Its totient is φ = 35968900.

The previous prime is 36158393. The next prime is 36158411. The reversal of 36158401 is 10485163.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36158401 - 2³ = 36158393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36158401.

It is not an unprimeable number, because it can be changed into a prime (36158411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94465 + ... + 94846.

It is an arithmetic number, because the mean of its divisors is an integer number (9086976).

Almost surely, 2^36158401 is an apocalyptic number.

It is an amenable number.

36158401 is a deficient number, since it is larger than the sum of its proper divisors (189503).

36158401 is a wasteful number, since it uses less digits than its factorization.

36158401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189502.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 36158401 is about 6013.1855950070. The cubic root of 36158401 is about 330.6763020510.

The spelling of 36158401 in words is "thirty-six million, one hundred fifty-eight thousand, four hundred one".