2475958081 has 9 divisors (see below), whose sum is σ = 2631068899. Its totient is φ = 2329517344.

The previous prime is 2475958063. The next prime is 2475958087. The reversal of 2475958081 is 1808595742.

It is a happy number.

The square root of 2475958081 is 49759.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1927649025 + 548309056 = 43905^2 + 23416^2 .

It is not a de Polignac number, because 2475958081 - 2¹¹ = 2475956033 is a prime.

It is a super-2 number, since 2×2475958081² = 12260736837738405122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2475958087) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 844440 + ... + 847366.

Almost surely, 2^2475958081 is an apocalyptic number.

2475958081 is the 49759-th square number.

2475958081 is the 24880-th centered octagonal number.

It is an amenable number.

2475958081 is a deficient number, since it is larger than the sum of its proper divisors (155110818).

2475958081 is an frugal number, since it uses more digits than its factorization.

2475958081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5888 (or 2944 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 49.

The cubic root of 2475958081 is about 1352.8441329984.

Multiplying 2475958081 by its sum of digits (49), we get a square (121321945969 = 348313²).

The spelling of 2475958081 in words is "two billion, four hundred seventy-five million, nine hundred fifty-eight thousand, eighty-one".