2493487517 has 2 divisors, whose sum is σ = 2493487518. Its totient is φ = 2493487516.

The previous prime is 2493487487. The next prime is 2493487519. The reversal of 2493487517 is 7157843942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2490908281 + 2579236 = 49909^2 + 1606^2 .

It is a cyclic number.

It is not a de Polignac number, because 2493487517 - 2¹⁰ = 2493486493 is a prime.

Together with 2493487519, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2493487519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1246743758 + 1246743759.

It is an arithmetic number, because the mean of its divisors is an integer number (1246743759).

Almost surely, 2^2493487517 is an apocalyptic number.

It is an amenable number.

2493487517 is a deficient number, since it is larger than the sum of its proper divisors (1).

2493487517 is an equidigital number, since it uses as much as digits as its factorization.

2493487517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 50.

The square root of 2493487517 is about 49934.8327022330. The cubic root of 2493487517 is about 1356.0292769078.

The spelling of 2493487517 in words is "two billion, four hundred ninety-three million, four hundred eighty-seven thousand, five hundred seventeen".