662001243 has 8 divisors (see below), whose sum is σ = 883846656. Its totient is φ = 440745000.

The previous prime is 662001229. The next prime is 662001247. The reversal of 662001243 is 342100266.

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

It is a de Polignac number, because none of the positive numbers 2^k-662001243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (662001247) 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, 144663 + ... + 149168.

It is an arithmetic number, because the mean of its divisors is an integer number (110480832).

Almost surely, 2^662001243 is an apocalyptic number.

662001243 is a deficient number, since it is larger than the sum of its proper divisors (221845413).

662001243 is a wasteful number, since it uses less digits than its factorization.

662001243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294585.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 662001243 is about 25729.3848158093. The cubic root of 662001243 is about 871.5378810538.

The spelling of 662001243 in words is "six hundred sixty-two million, one thousand, two hundred forty-three".