402545167 has 4 divisors (see below), whose sum is σ = 404453176. Its totient is φ = 400637160.

The previous prime is 402545147. The next prime is 402545173. The reversal of 402545167 is 761545204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402545167 is a prime.

It is a super-2 number, since 2×402545167² = 324085222950115778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402545107) 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 3 ways as a sum of consecutive naturals, for example, 953688 + ... + 954109.

It is an arithmetic number, because the mean of its divisors is an integer number (101113294).

Almost surely, 2^402545167 is an apocalyptic number.

402545167 is a deficient number, since it is larger than the sum of its proper divisors (1908009).

402545167 is a wasteful number, since it uses less digits than its factorization.

402545167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908008.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 402545167 is about 20063.5282789444. The cubic root of 402545167 is about 738.3657427538.

The spelling of 402545167 in words is "four hundred two million, five hundred forty-five thousand, one hundred sixty-seven".