15252949 has 2 divisors, whose sum is σ = 15252950. Its totient is φ = 15252948.

The previous prime is 15252931. The next prime is 15252967. The reversal of 15252949 is 94925251.

It is a balanced prime because it is at equal distance from previous prime (15252931) and next prime (15252967).

It can be written as a sum of positive squares in only one way, i.e., 9579025 + 5673924 = 3095^2 + 2382^2 .

It is an emirp because it is prime and its reverse (94925251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15252949 - 2⁷ = 15252821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15252929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7626474 + 7626475.

It is an arithmetic number, because the mean of its divisors is an integer number (7626475).

Almost surely, 2^15252949 is an apocalyptic number.

It is an amenable number.

15252949 is a deficient number, since it is larger than the sum of its proper divisors (1).

15252949 is an equidigital number, since it uses as much as digits as its factorization.

15252949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 37.

The square root of 15252949 is about 3905.5024004602. The cubic root of 15252949 is about 247.9997669526. Note that the first 3 decimals are identical.

The spelling of 15252949 in words is "fifteen million, two hundred fifty-two thousand, nine hundred forty-nine".