10154242517 has 2 divisors, whose sum is σ = 10154242518. Its totient is φ = 10154242516.

The previous prime is 10154242513. The next prime is 10154242529. The reversal of 10154242517 is 71524245101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10061293636 + 92948881 = 100306^2 + 9641^2 .

It is a cyclic number.

It is not a de Polignac number, because 10154242517 - 2² = 10154242513 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10154242513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5077121258 + 5077121259.

It is an arithmetic number, because the mean of its divisors is an integer number (5077121259).

Almost surely, 2^10154242517 is an apocalyptic number.

It is an amenable number.

10154242517 is a deficient number, since it is larger than the sum of its proper divisors (1).

10154242517 is an equidigital number, since it uses as much as digits as its factorization.

10154242517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 32.

Adding to 10154242517 its reverse (71524245101), we get a palindrome (81678487618).

The spelling of 10154242517 in words is "ten billion, one hundred fifty-four million, two hundred forty-two thousand, five hundred seventeen".