15952253 has 4 divisors (see below), whose sum is σ = 15986880. Its totient is φ = 15917628.

The previous prime is 15952241. The next prime is 15952283. The reversal of 15952253 is 35225951.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15952253 - 2⁸ = 15951997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15952213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16613 + ... + 17546.

It is an arithmetic number, because the mean of its divisors is an integer number (3996720).

Almost surely, 2^15952253 is an apocalyptic number.

It is an amenable number.

15952253 is a deficient number, since it is larger than the sum of its proper divisors (34627).

15952253 is an equidigital number, since it uses as much as digits as its factorization.

15952253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34626.

The product of its digits is 13500, while the sum is 32.

The square root of 15952253 is about 3994.0271656562. The cubic root of 15952253 is about 251.7333041867.

The spelling of 15952253 in words is "fifteen million, nine hundred fifty-two thousand, two hundred fifty-three".