403254401 has 8 divisors (see below), whose sum is σ = 443551008. Its totient is φ = 366593700.

The previous prime is 403254277. The next prime is 403254413. The reversal of 403254401 is 104452304.

403254401 = T₂₅₂₁ + T₂₅₂₂ + ... + T₂₆₄₁.

It is not a de Polignac number, because 403254401 - 2¹⁸ = 402992257 is a prime.

It is a super-2 number, since 2×403254401² = 325228223851737602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403254451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150155 + ... + 152816.

It is an arithmetic number, because the mean of its divisors is an integer number (55443876).

Almost surely, 2^403254401 is an apocalyptic number.

It is an amenable number.

403254401 is a deficient number, since it is larger than the sum of its proper divisors (40296607).

403254401 is an equidigital number, since it uses as much as digits as its factorization.

403254401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303004 (or 302982 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 403254401 is about 20081.1952084531. The cubic root of 403254401 is about 738.7991242171.

The spelling of 403254401 in words is "four hundred three million, two hundred fifty-four thousand, four hundred one".