15253397 has 2 divisors, whose sum is σ = 15253398. Its totient is φ = 15253396.

The previous prime is 15253379. The next prime is 15253463. The reversal of 15253397 is 79335251.

It is a happy number.

Together with previous prime (15253379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10699441 + 4553956 = 3271^2 + 2134^2 .

It is an emirp because it is prime and its reverse (79335251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15253397 - 2⁸ = 15253141 is a prime.

It is a super-2 number, since 2×15253397² = 465332240079218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15253307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7626698 + 7626699.

It is an arithmetic number, because the mean of its divisors is an integer number (7626699).

Almost surely, 2^15253397 is an apocalyptic number.

It is an amenable number.

15253397 is a deficient number, since it is larger than the sum of its proper divisors (1).

15253397 is an equidigital number, since it uses as much as digits as its factorization.

15253397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28350, while the sum is 35.

The square root of 15253397 is about 3905.5597550159. The cubic root of 15253397 is about 248.0021949598.

The spelling of 15253397 in words is "fifteen million, two hundred fifty-three thousand, three hundred ninety-seven".