2516451215 has 8 divisors (see below), whose sum is σ = 3101356320. Its totient is φ = 1958751072.

The previous prime is 2516451173. The next prime is 2516451233. The reversal of 2516451215 is 5121546152.

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 2516451215 - 2¹⁴ = 2516434831 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6801035 + ... + 6801404.

It is an arithmetic number, because the mean of its divisors is an integer number (387669540).

Almost surely, 2^2516451215 is an apocalyptic number.

2516451215 is a deficient number, since it is larger than the sum of its proper divisors (584905105).

2516451215 is a wasteful number, since it uses less digits than its factorization.

2516451215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13602481.

The product of its digits is 12000, while the sum is 32.

The square root of 2516451215 is about 50164.2423943590. The cubic root of 2516451215 is about 1360.1793331495.

Adding to 2516451215 its reverse (5121546152), we get a palindrome (7637997367).

The spelling of 2516451215 in words is "two billion, five hundred sixteen million, four hundred fifty-one thousand, two hundred fifteen".