2516355542 has 4 divisors (see below), whose sum is σ = 3774533316. Its totient is φ = 1258177770.

The previous prime is 2516355539. The next prime is 2516355557. The reversal of 2516355542 is 2455536152.

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

It is a super-2 number, since 2×2516355542² = 12664090427508227528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2516355496 and 2516355505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629088884 + ... + 629088887.

It is an arithmetic number, because the mean of its divisors is an integer number (943633329).

Almost surely, 2^2516355542 is an apocalyptic number.

2516355542 is a deficient number, since it is larger than the sum of its proper divisors (1258177774).

2516355542 is a wasteful number, since it uses less digits than its factorization.

2516355542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258177773.

The product of its digits is 180000, while the sum is 38.

The square root of 2516355542 is about 50163.2887877181. The cubic root of 2516355542 is about 1360.1620953709.

The spelling of 2516355542 in words is "two billion, five hundred sixteen million, three hundred fifty-five thousand, five hundred forty-two".