2472543261 has 6 divisors (see below), whose sum is σ = 3571451390. Its totient is φ = 1648362168.

The previous prime is 2472543211. The next prime is 2472543299. The reversal of 2472543261 is 1623452742.

2472543261 is a `hidden beast` number, since 24 + 72 + 543 + 26 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2246191236 + 226352025 = 47394^2 + 15045^2 .

It is not a de Polignac number, because 2472543261 - 2⁹ = 2472542749 is a prime.

It is a super-2 number, since 2×2472543261² = 12226940355033028242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2472543211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137363506 + ... + 137363523.

Almost surely, 2^2472543261 is an apocalyptic number.

It is an amenable number.

2472543261 is a deficient number, since it is larger than the sum of its proper divisors (1098908129).

2472543261 is a wasteful number, since it uses less digits than its factorization.

2472543261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274727035 (or 274727032 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 2472543261 is about 49724.6745690708. The cubic root of 2472543261 is about 1352.2219032049.

The spelling of 2472543261 in words is "two billion, four hundred seventy-two million, five hundred forty-three thousand, two hundred sixty-one".