2506290945 has 16 divisors (see below), whose sum is σ = 4139423232. Its totient is φ = 1293569280.

The previous prime is 2506290929. The next prime is 2506290967. The reversal of 2506290945 is 5490926052.

It is not a de Polignac number, because 2506290945 - 2⁴ = 2506290929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2506290897 and 2506290906.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2694472 + ... + 2695401.

It is an arithmetic number, because the mean of its divisors is an integer number (258713952).

Almost surely, 2^2506290945 is an apocalyptic number.

It is an amenable number.

2506290945 is a deficient number, since it is larger than the sum of its proper divisors (1633132287).

2506290945 is a wasteful number, since it uses less digits than its factorization.

2506290945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5389912.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 2506290945 is about 50062.8699237269. The cubic root of 2506290945 is about 1358.3462715300.

The spelling of 2506290945 in words is "two billion, five hundred six million, two hundred ninety thousand, nine hundred forty-five".