402331245 has 16 divisors (see below), whose sum is σ = 646546560. Its totient is φ = 213637824.

The previous prime is 402331243. The next prime is 402331247. The reversal of 402331245 is 542133204.

It is an interprime number because it is at equal distance from previous prime (402331243) and next prime (402331247).

It is not a de Polignac number, because 402331245 - 2¹ = 402331243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402331243) 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 15 ways as a sum of consecutive naturals, for example, 55129 + ... + 61998.

It is an arithmetic number, because the mean of its divisors is an integer number (40409160).

Almost surely, 2^402331245 is an apocalyptic number.

It is an amenable number.

402331245 is a deficient number, since it is larger than the sum of its proper divisors (244215315).

402331245 is a wasteful number, since it uses less digits than its factorization.

402331245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117364.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 402331245 is about 20058.1964543176. The cubic root of 402331245 is about 738.2349245852.

Adding to 402331245 its reverse (542133204), we get a palindrome (944464449).

The spelling of 402331245 in words is "four hundred two million, three hundred thirty-one thousand, two hundred forty-five".