2516359954 has 4 divisors (see below), whose sum is σ = 3774539934. Its totient is φ = 1258179976.

The previous prime is 2516359927. The next prime is 2516359961. The reversal of 2516359954 is 4599536152.

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

It can be written as a sum of positive squares in only one way, i.e., 2488513225 + 27846729 = 49885^2 + 5277^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2516359898 and 2516359907.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 629089987 + ... + 629089990.

Almost surely, 2^2516359954 is an apocalyptic number.

2516359954 is a deficient number, since it is larger than the sum of its proper divisors (1258179980).

2516359954 is a wasteful number, since it uses less digits than its factorization.

2516359954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258179979.

The product of its digits is 1458000, while the sum is 49.

The square root of 2516359954 is about 50163.3327640818. The cubic root of 2516359954 is about 1360.1628903078.

The spelling of 2516359954 in words is "two billion, five hundred sixteen million, three hundred fifty-nine thousand, nine hundred fifty-four".