2508475421 has 16 divisors (see below), whose sum is σ = 2617049664. Its totient is φ = 2402193024.

The previous prime is 2508475393. The next prime is 2508475423. The reversal of 2508475421 is 1245748052.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2508475421 is a prime.

It is a super-2 number, since 2×2508475421² = 12584897875522254482, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2508475423) 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 15 ways as a sum of consecutive naturals, for example, 2233166 + ... + 2234288.

It is an arithmetic number, because the mean of its divisors is an integer number (163565604).

Almost surely, 2^2508475421 is an apocalyptic number.

It is an amenable number.

2508475421 is a deficient number, since it is larger than the sum of its proper divisors (108574243).

2508475421 is a wasteful number, since it uses less digits than its factorization.

2508475421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060.

The product of its (nonzero) digits is 89600, while the sum is 38.

The square root of 2508475421 is about 50084.6824987441. The cubic root of 2508475421 is about 1358.7408005004.

The spelling of 2508475421 in words is "two billion, five hundred eight million, four hundred seventy-five thousand, four hundred twenty-one".