15212053 has 2 divisors, whose sum is σ = 15212054. Its totient is φ = 15212052.

The previous prime is 15212051. The next prime is 15212077. The reversal of 15212053 is 35021251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15069924 + 142129 = 3882^2 + 377^2 .

It is a cyclic number.

It is not a de Polignac number, because 15212053 - 2¹ = 15212051 is a prime.

Together with 15212051, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 15212053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15212051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7606026 + 7606027.

It is an arithmetic number, because the mean of its divisors is an integer number (7606027).

Almost surely, 2^15212053 is an apocalyptic number.

It is an amenable number.

15212053 is a deficient number, since it is larger than the sum of its proper divisors (1).

15212053 is an equidigital number, since it uses as much as digits as its factorization.

15212053 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 15212053 is about 3900.2631962471. The cubic root of 15212053 is about 247.7779240296. Note that the first 3 decimals are identical.

The spelling of 15212053 in words is "fifteen million, two hundred twelve thousand, fifty-three".