2506416245 has 4 divisors (see below), whose sum is σ = 3007699500. Its totient is φ = 2005132992.

The previous prime is 2506416181. The next prime is 2506416259. The reversal of 2506416245 is 5426146052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1870216516 + 636199729 = 43246^2 + 25223^2 .

It is a cyclic number.

It is not a de Polignac number, because 2506416245 - 2⁶ = 2506416181 is a prime.

It is a congruent number.

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, 250641620 + ... + 250641629.

It is an arithmetic number, because the mean of its divisors is an integer number (751924875).

Almost surely, 2^2506416245 is an apocalyptic number.

It is an amenable number.

2506416245 is a deficient number, since it is larger than the sum of its proper divisors (501283255).

2506416245 is an equidigital number, since it uses as much as digits as its factorization.

2506416245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501283254.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 2506416245 is about 50064.1213345446. The cubic root of 2506416245 is about 1358.3689076293.

The spelling of 2506416245 in words is "two billion, five hundred six million, four hundred sixteen thousand, two hundred forty-five".