2516499485 has 4 divisors (see below), whose sum is σ = 3019799388. Its totient is φ = 2013199584.

The previous prime is 2516499481. The next prime is 2516499487. The reversal of 2516499485 is 5849946152.

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

It can be written as a sum of positive squares in 2 ways, for example, as 392119204 + 2124380281 = 19802^2 + 46091^2 .

It is a cyclic number.

It is not a de Polignac number, because 2516499485 - 2² = 2516499481 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516499481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251649944 + ... + 251649953.

It is an arithmetic number, because the mean of its divisors is an integer number (754949847).

Almost surely, 2^2516499485 is an apocalyptic number.

It is an amenable number.

2516499485 is a deficient number, since it is larger than the sum of its proper divisors (503299903).

2516499485 is an equidigital number, since it uses as much as digits as its factorization.

2516499485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503299902.

The product of its digits is 3110400, while the sum is 53.

The square root of 2516499485 is about 50164.7235116471. The cubic root of 2516499485 is about 1360.1880299783.

The spelling of 2516499485 in words is "two billion, five hundred sixteen million, four hundred ninety-nine thousand, four hundred eighty-five".