14252991 has 4 divisors (see below), whose sum is σ = 19003992. Its totient is φ = 9501992.

The previous prime is 14252989. The next prime is 14253011. The reversal of 14252991 is 19925241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14252991 - 2¹ = 14252989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14252941) 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, 2375496 + ... + 2375501.

It is an arithmetic number, because the mean of its divisors is an integer number (4750998).

Almost surely, 2^14252991 is an apocalyptic number.

14252991 is a deficient number, since it is larger than the sum of its proper divisors (4751001).

14252991 is an equidigital number, since it uses as much as digits as its factorization.

14252991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4751000.

The product of its digits is 6480, while the sum is 33.

The square root of 14252991 is about 3775.3133644772. The cubic root of 14252991 is about 242.4573404252.

The spelling of 14252991 in words is "fourteen million, two hundred fifty-two thousand, nine hundred ninety-one".