403251055 has 4 divisors (see below), whose sum is σ = 483901272. Its totient is φ = 322600840.

The previous prime is 403251001. The next prime is 403251109. The reversal of 403251055 is 550152304.

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

It is an interprime number because it is at equal distance from previous prime (403251001) and next prime (403251109).

It is not a de Polignac number, because 403251055 - 2¹⁹ = 402726767 is a prime.

It is a super-2 number, since 2×403251055² = 325222826717226050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40325101 + ... + 40325110.

It is an arithmetic number, because the mean of its divisors is an integer number (120975318).

Almost surely, 2^403251055 is an apocalyptic number.

403251055 is a deficient number, since it is larger than the sum of its proper divisors (80650217).

403251055 is an equidigital number, since it uses as much as digits as its factorization.

403251055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80650216.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 403251055 is about 20081.1118965061. Note that the first 3 decimals coincide. The cubic root of 403251055 is about 738.7970808183.

The spelling of 403251055 in words is "four hundred three million, two hundred fifty-one thousand, fifty-five".