2516306542 has 8 divisors (see below), whose sum is σ = 3781237896. Its totient is φ = 1255893912.

The previous prime is 2516306521. The next prime is 2516306563. The reversal of 2516306542 is 2456036152.

It is an interprime number because it is at equal distance from previous prime (2516306521) and next prime (2516306563).

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

It is a super-2 number, since 2×2516306542² = 12663597226623995528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2516306498 and 2516306507.

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, 1128288 + ... + 1130515.

It is an arithmetic number, because the mean of its divisors is an integer number (472654737).

Almost surely, 2^2516306542 is an apocalyptic number.

2516306542 is a deficient number, since it is larger than the sum of its proper divisors (1264931354).

2516306542 is a wasteful number, since it uses less digits than its factorization.

2516306542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259362.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 2516306542 is about 50162.8003803615. The cubic root of 2516306542 is about 1360.1532666801.

The spelling of 2516306542 in words is "two billion, five hundred sixteen million, three hundred six thousand, five hundred forty-two".