2567401403 has 6 divisors (see below), whose sum is σ = 2986569036. Its totient is φ = 2200629732.

The previous prime is 2567401363. The next prime is 2567401409. The reversal of 2567401403 is 3041047652.

It is not a de Polignac number, because 2567401403 - 2⁶ = 2567401339 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 2567401403.

It is not an unprimeable number, because it can be changed into a prime (2567401409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26197925 + ... + 26198022.

It is an arithmetic number, because the mean of its divisors is an integer number (497761506).

Almost surely, 2^2567401403 is an apocalyptic number.

2567401403 is a deficient number, since it is larger than the sum of its proper divisors (419167633).

2567401403 is an equidigital number, since it uses as much as digits as its factorization.

2567401403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52395961 (or 52395954 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 2567401403 is about 50669.5313082724. The cubic root of 2567401403 is about 1369.2978452108.

It can be divided in two parts, 256740 and 1403, that multiplied together give a triangular number (360206220 = T₂₆₈₄₀).

The spelling of 2567401403 in words is "two billion, five hundred sixty-seven million, four hundred one thousand, four hundred three".