15240629 has 2 divisors, whose sum is σ = 15240630. Its totient is φ = 15240628.

The previous prime is 15240613. The next prime is 15240713. The reversal of 15240629 is 92604251.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15194404 + 46225 = 3898^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 15240629 - 2⁴ = 15240613 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15240229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7620314 + 7620315.

It is an arithmetic number, because the mean of its divisors is an integer number (7620315).

Almost surely, 2^15240629 is an apocalyptic number.

It is an amenable number.

15240629 is a deficient number, since it is larger than the sum of its proper divisors (1).

15240629 is an equidigital number, since it uses as much as digits as its factorization.

15240629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 15240629 is about 3903.9248199728. The cubic root of 15240629 is about 247.9329781169.

The spelling of 15240629 in words is "fifteen million, two hundred forty thousand, six hundred twenty-nine".