165713001 has 4 divisors (see below), whose sum is σ = 220950672. Its totient is φ = 110475332.

The previous prime is 165712979. The next prime is 165713017. The reversal of 165713001 is 100317561.

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 165713001 - 2⁵ = 165712969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (165713101) 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, 27618831 + ... + 27618836.

It is an arithmetic number, because the mean of its divisors is an integer number (55237668).

Almost surely, 2^165713001 is an apocalyptic number.

It is an amenable number.

165713001 is a deficient number, since it is larger than the sum of its proper divisors (55237671).

165713001 is an equidigital number, since it uses as much as digits as its factorization.

165713001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55237670.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 165713001 is about 12872.9561872944. The cubic root of 165713001 is about 549.2695548563.

The spelling of 165713001 in words is "one hundred sixty-five million, seven hundred thirteen thousand, one".