2516862057 has 4 divisors (see below), whose sum is σ = 3355816080. Its totient is φ = 1677908036.

The previous prime is 2516861987. The next prime is 2516862067. The reversal of 2516862057 is 7502686152.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2516862057 - 2¹¹ = 2516860009 is a prime.

It is a super-2 number, since 2×2516862057² = 12669189227932542498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2516862067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419477007 + ... + 419477012.

It is an arithmetic number, because the mean of its divisors is an integer number (838954020).

Almost surely, 2^2516862057 is an apocalyptic number.

It is an amenable number.

2516862057 is a deficient number, since it is larger than the sum of its proper divisors (838954023).

2516862057 is an equidigital number, since it uses as much as digits as its factorization.

2516862057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838954022.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 2516862057 is about 50168.3371958848. The cubic root of 2516862057 is about 1360.2533511933.

The spelling of 2516862057 in words is "two billion, five hundred sixteen million, eight hundred sixty-two thousand, fifty-seven".