2488561345 has 4 divisors (see below), whose sum is σ = 2986273620. Its totient is φ = 1990849072.

The previous prime is 2488561331. The next prime is 2488561357. The reversal of 2488561345 is 5431658842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5431658842 = 2 ⋅2715829421.

It can be written as a sum of positive squares in 2 ways, for example, as 778242609 + 1710318736 = 27897^2 + 41356^2 .

It is a cyclic number.

It is not a de Polignac number, because 2488561345 - 2²¹ = 2486464193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2488561295 and 2488561304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248856130 + ... + 248856139.

It is an arithmetic number, because the mean of its divisors is an integer number (746568405).

Almost surely, 2^2488561345 is an apocalyptic number.

It is an amenable number.

2488561345 is a deficient number, since it is larger than the sum of its proper divisors (497712275).

2488561345 is an equidigital number, since it uses as much as digits as its factorization.

2488561345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497712274.

The product of its digits is 921600, while the sum is 46.

The square root of 2488561345 is about 49885.4823069799. The cubic root of 2488561345 is about 1355.1356908090.

The spelling of 2488561345 in words is "two billion, four hundred eighty-eight million, five hundred sixty-one thousand, three hundred forty-five".