402231535 has 8 divisors (see below), whose sum is σ = 485875296. Its totient is φ = 319653600.

The previous prime is 402231517. The next prime is 402231547. The reversal of 402231535 is 535132204.

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

It is not a de Polignac number, because 402231535 - 2²⁵ = 368677103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 265624 + ... + 267133.

It is an arithmetic number, because the mean of its divisors is an integer number (60734412).

Almost surely, 2^402231535 is an apocalyptic number.

402231535 is a deficient number, since it is larger than the sum of its proper divisors (83643761).

402231535 is a wasteful number, since it uses less digits than its factorization.

402231535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532913.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 402231535 is about 20055.7107827172. The cubic root of 402231535 is about 738.1739338079.

Adding to 402231535 its reverse (535132204), we get a palindrome (937363739).

The spelling of 402231535 in words is "four hundred two million, two hundred thirty-one thousand, five hundred thirty-five".