15852797 has 2 divisors, whose sum is σ = 15852798. Its totient is φ = 15852796.

The previous prime is 15852779. The next prime is 15852829. The reversal of 15852797 is 79725851.

Together with previous prime (15852779) 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., 12716356 + 3136441 = 3566^2 + 1771^2 .

It is a cyclic number.

It is not a de Polignac number, because 15852797 - 2¹⁴ = 15836413 is a prime.

It is a super-2 number, since 2×15852797² = 502622345446418, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15852737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7926398 + 7926399.

It is an arithmetic number, because the mean of its divisors is an integer number (7926399).

Almost surely, 2^15852797 is an apocalyptic number.

It is an amenable number.

15852797 is a deficient number, since it is larger than the sum of its proper divisors (1).

15852797 is an equidigital number, since it uses as much as digits as its factorization.

15852797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176400, while the sum is 44.

The square root of 15852797 is about 3981.5571074644. The cubic root of 15852797 is about 251.2090605969.

The spelling of 15852797 in words is "fifteen million, eight hundred fifty-two thousand, seven hundred ninety-seven".