2516266531 has 8 divisors (see below), whose sum is σ = 2605775184. Its totient is φ = 2428314720.

The previous prime is 2516266523. The next prime is 2516266547. The reversal of 2516266531 is 1356626152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2516266531 - 2³ = 2516266523 is a prime.

It is a super-2 number, since 2×2516266531² = 12663194510061547922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2516266331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385921 + ... + 392386.

It is an arithmetic number, because the mean of its divisors is an integer number (325721898).

Almost surely, 2^2516266531 is an apocalyptic number.

2516266531 is a deficient number, since it is larger than the sum of its proper divisors (89508653).

2516266531 is an equidigital number, since it uses as much as digits as its factorization.

2516266531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778421.

The product of its digits is 64800, while the sum is 37.

The square root of 2516266531 is about 50162.4015673094. The cubic root of 2516266531 is about 1360.1460575186.

The spelling of 2516266531 in words is "two billion, five hundred sixteen million, two hundred sixty-six thousand, five hundred thirty-one".