402253601 has 8 divisors (see below), whose sum is σ = 420048384. Its totient is φ = 384484320.

The previous prime is 402253597. The next prime is 402253637. The reversal of 402253601 is 106352204.

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 402253601 - 2² = 402253597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402253301) 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, 30461 + ... + 41621.

It is an arithmetic number, because the mean of its divisors is an integer number (52506048).

Almost surely, 2^402253601 is an apocalyptic number.

It is an amenable number.

402253601 is a deficient number, since it is larger than the sum of its proper divisors (17794783).

402253601 is a wasteful number, since it uses less digits than its factorization.

402253601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12751.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 402253601 is about 20056.2608927985. The cubic root of 402253601 is about 738.1874320436.

The spelling of 402253601 in words is "four hundred two million, two hundred fifty-three thousand, six hundred one".