492240253517 has 2 divisors, whose sum is σ = 492240253518. Its totient is φ = 492240253516.

The previous prime is 492240253457. The next prime is 492240253529. The reversal of 492240253517 is 715352042294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 488518521481 + 3721732036 = 698941^2 + 61006^2 .

It is a cyclic number.

It is not a de Polignac number, because 492240253517 - 2¹² = 492240249421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492240255517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246120126758 + 246120126759.

It is an arithmetic number, because the mean of its divisors is an integer number (246120126759).

Almost surely, 2^492240253517 is an apocalyptic number.

It is an amenable number.

492240253517 is a deficient number, since it is larger than the sum of its proper divisors (1).

492240253517 is an equidigital number, since it uses as much as digits as its factorization.

492240253517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 492240253517 in words is "four hundred ninety-two billion, two hundred forty million, two hundred fifty-three thousand, five hundred seventeen".