2472521545 has 24 divisors (see below), whose sum is σ = 3216591000. Its totient is φ = 1823717376.

The previous prime is 2472521533. The next prime is 2472521567. The reversal of 2472521545 is 5451252742.

It can be written as a sum of positive squares in 12 ways, for example, as 1625944329 + 846577216 = 40323^2 + 29096^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2472521545 is a prime.

It is a super-2 number, since 2×2472521545² = 12226725580978374050, which contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1307961 + ... + 1309849.

It is an arithmetic number, because the mean of its divisors is an integer number (134024625).

Almost surely, 2^2472521545 is an apocalyptic number.

It is an amenable number.

2472521545 is a deficient number, since it is larger than the sum of its proper divisors (744069455).

2472521545 is a wasteful number, since it uses less digits than its factorization.

2472521545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3469 (or 3456 counting only the distinct ones).

The product of its digits is 112000, while the sum is 37.

The square root of 2472521545 is about 49724.4562061769. The cubic root of 2472521545 is about 1352.2179444016.

The spelling of 2472521545 in words is "two billion, four hundred seventy-two million, five hundred twenty-one thousand, five hundred forty-five".