2517634949 has 2 divisors, whose sum is σ = 2517634950. Its totient is φ = 2517634948.

The previous prime is 2517634943. The next prime is 2517634997. The reversal of 2517634949 is 9494367152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1375668100 + 1141966849 = 37090^2 + 33793^2 .

It is a cyclic number.

It is not a de Polignac number, because 2517634949 - 2¹⁶ = 2517569413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2517634897 and 2517634906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2517634943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258817474 + 1258817475.

It is an arithmetic number, because the mean of its divisors is an integer number (1258817475).

Almost surely, 2^2517634949 is an apocalyptic number.

It is an amenable number.

2517634949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2517634949 is an equidigital number, since it uses as much as digits as its factorization.

2517634949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 50.

The square root of 2517634949 is about 50176.0395906253. The cubic root of 2517634949 is about 1360.3925749982.

The spelling of 2517634949 in words is "two billion, five hundred seventeen million, six hundred thirty-four thousand, nine hundred forty-nine".