15234997 has 2 divisors, whose sum is σ = 15234998. Its totient is φ = 15234996.

The previous prime is 15234991. The next prime is 15235007. The reversal of 15234997 is 79943251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15046641 + 188356 = 3879^2 + 434^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15234997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15234991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7617498 + 7617499.

It is an arithmetic number, because the mean of its divisors is an integer number (7617499).

Almost surely, 2^15234997 is an apocalyptic number.

It is an amenable number.

15234997 is a deficient number, since it is larger than the sum of its proper divisors (1).

15234997 is an equidigital number, since it uses as much as digits as its factorization.

15234997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 40.

The square root of 15234997 is about 3903.2034279550. The cubic root of 15234997 is about 247.9024340895.

The spelling of 15234997 in words is "fifteen million, two hundred thirty-four thousand, nine hundred ninety-seven".