402325403 has 4 divisors (see below), whose sum is σ = 403757448. Its totient is φ = 400893360.

The previous prime is 402325393. The next prime is 402325421. The reversal of 402325403 is 304523204.

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 402325403 - 2⁴ = 402325387 is a prime.

It is a super-2 number, since 2×402325403² = 323731459798224818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402325423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715601 + ... + 716162.

It is an arithmetic number, because the mean of its divisors is an integer number (100939362).

Almost surely, 2^402325403 is an apocalyptic number.

402325403 is a deficient number, since it is larger than the sum of its proper divisors (1432045).

402325403 is a wasteful number, since it uses less digits than its factorization.

402325403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432044.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 402325403 is about 20058.0508275356. The cubic root of 402325403 is about 738.2313514189.

Adding to 402325403 its reverse (304523204), we get a palindrome (706848607).

The spelling of 402325403 in words is "four hundred two million, three hundred twenty-five thousand, four hundred three".