915273349 has 2 divisors, whose sum is σ = 915273350. Its totient is φ = 915273348.

The previous prime is 915273269. The next prime is 915273367. The reversal of 915273349 is 943372519.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 906612100 + 8661249 = 30110^2 + 2943^2 .

It is a cyclic number.

It is not a de Polignac number, because 915273349 - 2⁷ = 915273221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (915273049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457636674 + 457636675.

It is an arithmetic number, because the mean of its divisors is an integer number (457636675).

Almost surely, 2^915273349 is an apocalyptic number.

It is an amenable number.

915273349 is a deficient number, since it is larger than the sum of its proper divisors (1).

915273349 is an equidigital number, since it uses as much as digits as its factorization.

915273349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 43.

The square root of 915273349 is about 30253.4849067012. The cubic root of 915273349 is about 970.9203540229.

The spelling of 915273349 in words is "nine hundred fifteen million, two hundred seventy-three thousand, three hundred forty-nine".