402253197 has 8 divisors (see below), whose sum is σ = 538085856. Its totient is φ = 267294672.

The previous prime is 402253177. The next prime is 402253207. The reversal of 402253197 is 791352204.

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

It is not a de Polignac number, because 402253197 - 2¹¹ = 402251149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402253177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217458 + ... + 219299.

It is an arithmetic number, because the mean of its divisors is an integer number (67260732).

Almost surely, 2^402253197 is an apocalyptic number.

It is an amenable number.

402253197 is a deficient number, since it is larger than the sum of its proper divisors (135832659).

402253197 is a wasteful number, since it uses less digits than its factorization.

402253197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437067.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 402253197 is about 20056.2508211281. The cubic root of 402253197 is about 738.1871849128.

The spelling of 402253197 in words is "four hundred two million, two hundred fifty-three thousand, one hundred ninety-seven".