2475065421 has 12 divisors (see below), whose sum is σ = 3589932060. Its totient is φ = 1643195520.

The previous prime is 2475065413. The next prime is 2475065429. The reversal of 2475065421 is 1245605742.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2475065413) and next prime (2475065429).

It can be written as a sum of positive squares in 2 ways, for example, as 929396196 + 1545669225 = 30486^2 + 39315^2 .

It is not a de Polignac number, because 2475065421 - 2³ = 2475065413 is a prime.

It is a super-2 number, since 2×2475065421² = 12251897676459814482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2475065429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 568386 + ... + 572723.

It is an arithmetic number, because the mean of its divisors is an integer number (299161005).

Almost surely, 2^2475065421 is an apocalyptic number.

It is an amenable number.

2475065421 is a deficient number, since it is larger than the sum of its proper divisors (1114866639).

2475065421 is a wasteful number, since it uses less digits than its factorization.

2475065421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141356 (or 1141353 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 2475065421 is about 49750.0293567753. The cubic root of 2475065421 is about 1352.6815326416.

The spelling of 2475065421 in words is "two billion, four hundred seventy-five million, sixty-five thousand, four hundred twenty-one".