402975083 has 4 divisors (see below), whose sum is σ = 460542960. Its totient is φ = 345407208.

The previous prime is 402975077. The next prime is 402975091. The reversal of 402975083 is 380579204.

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 402975083 - 2¹² = 402970987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402975383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28783928 + ... + 28783941.

It is an arithmetic number, because the mean of its divisors is an integer number (115135740).

Almost surely, 2^402975083 is an apocalyptic number.

402975083 is a deficient number, since it is larger than the sum of its proper divisors (57567877).

402975083 is an equidigital number, since it uses as much as digits as its factorization.

402975083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57567876.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 402975083 is about 20074.2392882022. The cubic root of 402975083 is about 738.6285060686.

The spelling of 402975083 in words is "four hundred two million, nine hundred seventy-five thousand, eighty-three".