402341651 has 4 divisors (see below), whose sum is σ = 412154904. Its totient is φ = 392528400.

The previous prime is 402341647. The next prime is 402341657. The reversal of 402341651 is 156143204.

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

It is a cyclic number.

It is not a de Polignac number, because 402341651 - 2² = 402341647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402341651.

It is not an unprimeable number, because it can be changed into a prime (402341657) 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, 4906565 + ... + 4906646.

It is an arithmetic number, because the mean of its divisors is an integer number (103038726).

Almost surely, 2^402341651 is an apocalyptic number.

402341651 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

402341651 is a deficient number, since it is larger than the sum of its proper divisors (9813253).

402341651 is an equidigital number, since it uses as much as digits as its factorization.

402341651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9813252.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 402341651 is about 20058.4558478463. The cubic root of 402341651 is about 738.2412891637.

Adding to 402341651 its reverse (156143204), we get a palindrome (558484855).

The spelling of 402341651 in words is "four hundred two million, three hundred forty-one thousand, six hundred fifty-one".