15052231 has 2 divisors, whose sum is σ = 15052232. Its totient is φ = 15052230.

The previous prime is 15052217. The next prime is 15052249. The reversal of 15052231 is 13225051.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15052231 is a prime.

It is a super-2 number, since 2×15052231² = 453139316154722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15052199 and 15052208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15052291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7526115 + 7526116.

It is an arithmetic number, because the mean of its divisors is an integer number (7526116).

Almost surely, 2^15052231 is an apocalyptic number.

15052231 is a deficient number, since it is larger than the sum of its proper divisors (1).

15052231 is an equidigital number, since it uses as much as digits as its factorization.

15052231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 15052231 is about 3879.7204796222. The cubic root of 15052231 is about 246.9071263217.

Adding to 15052231 its reverse (13225051), we get a palindrome (28277282).

The spelling of 15052231 in words is "fifteen million, fifty-two thousand, two hundred thirty-one".