15152213 has 2 divisors, whose sum is σ = 15152214. Its totient is φ = 15152212.

The previous prime is 15152209. The next prime is 15152233. The reversal of 15152213 is 31225151.

It is a happy number.

It is an a-pointer prime, because the next prime (15152233) can be obtained adding 15152213 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14915044 + 237169 = 3862^2 + 487^2 .

It is a cyclic number.

It is not a de Polignac number, because 15152213 - 2² = 15152209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15152233) 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, 7576106 + 7576107.

It is an arithmetic number, because the mean of its divisors is an integer number (7576107).

Almost surely, 2^15152213 is an apocalyptic number.

It is an amenable number.

15152213 is a deficient number, since it is larger than the sum of its proper divisors (1).

15152213 is an equidigital number, since it uses as much as digits as its factorization.

15152213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 300, while the sum is 20.

The square root of 15152213 is about 3892.5843600364. The cubic root of 15152213 is about 247.4526005206.

Adding to 15152213 its reverse (31225151), we get a palindrome (46377364).

The spelling of 15152213 in words is "fifteen million, one hundred fifty-two thousand, two hundred thirteen".