493251541 has 2 divisors, whose sum is σ = 493251542. Its totient is φ = 493251540.

The previous prime is 493251527. The next prime is 493251547. The reversal of 493251541 is 145152394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426257316 + 66994225 = 20646^2 + 8185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493251541 is a prime.

It is equal to p_26018719 and since 493251541 and 26018719 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 493251497 and 493251506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493251547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246625770 + 246625771.

It is an arithmetic number, because the mean of its divisors is an integer number (246625771).

Almost surely, 2^493251541 is an apocalyptic number.

It is an amenable number.

493251541 is a deficient number, since it is larger than the sum of its proper divisors (1).

493251541 is an equidigital number, since it uses as much as digits as its factorization.

493251541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 34.

The square root of 493251541 is about 22209.2670072652. The cubic root of 493251541 is about 790.1135023588.

The spelling of 493251541 in words is "four hundred ninety-three million, two hundred fifty-one thousand, five hundred forty-one".