15074231 has 2 divisors, whose sum is σ = 15074232. Its totient is φ = 15074230.

The previous prime is 15074221. The next prime is 15074233. The reversal of 15074231 is 13247051.

It is a strong prime.

It is an emirp because it is prime and its reverse (13247051) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15074231 is a prime.

It is a super-2 number, since 2×15074231² = 454464880482722, which contains 22 as substring.

Together with 15074233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 15074197 and 15074206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15074233) 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, 7537115 + 7537116.

It is an arithmetic number, because the mean of its divisors is an integer number (7537116).

Almost surely, 2^15074231 is an apocalyptic number.

15074231 is a deficient number, since it is larger than the sum of its proper divisors (1).

15074231 is an equidigital number, since it uses as much as digits as its factorization.

15074231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 15074231 is about 3882.5547001942. The cubic root of 15074231 is about 247.0273590526.

The spelling of 15074231 in words is "fifteen million, seventy-four thousand, two hundred thirty-one".