2506217379 has 12 divisors (see below), whose sum is σ = 3493230216. Its totient is φ = 1598166592.

The previous prime is 2506217369. The next prime is 2506217383. The reversal of 2506217379 is 9737126052.

It is not a de Polignac number, because 2506217379 - 2⁸ = 2506217123 is a prime.

It is a super-2 number, since 2×2506217379² = 12562251101603259282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2506217379.

It is not an unprimeable number, because it can be changed into a prime (2506217369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 788022 + ... + 791195.

It is an arithmetic number, because the mean of its divisors is an integer number (291102518).

Almost surely, 2^2506217379 is an apocalyptic number.

2506217379 is a deficient number, since it is larger than the sum of its proper divisors (987012837).

2506217379 is a wasteful number, since it uses less digits than its factorization.

2506217379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579266 (or 1579243 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 2506217379 is about 50062.1351821913. The cubic root of 2506217379 is about 1358.3329810965.

The spelling of 2506217379 in words is "two billion, five hundred six million, two hundred seventeen thousand, three hundred seventy-nine".