402274313 has 4 divisors (see below), whose sum is σ = 459742080. Its totient is φ = 344806548.

The previous prime is 402274307. The next prime is 402274319. The reversal of 402274313 is 313472204.

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 an interprime number because it is at equal distance from previous prime (402274307) and next prime (402274319).

It is a cyclic number.

It is not a de Polignac number, because 402274313 - 2¹² = 402270217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (402274319) 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, 28733873 + ... + 28733886.

It is an arithmetic number, because the mean of its divisors is an integer number (114935520).

Almost surely, 2^402274313 is an apocalyptic number.

It is an amenable number.

402274313 is a deficient number, since it is larger than the sum of its proper divisors (57467767).

402274313 is an equidigital number, since it uses as much as digits as its factorization.

402274313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57467766.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 402274313 is about 20056.7772336435. Note that the first 3 decimals coincide. The cubic root of 402274313 is about 738.2001015599.

The spelling of 402274313 in words is "four hundred two million, two hundred seventy-four thousand, three hundred thirteen".