16252239 has 16 divisors (see below), whose sum is σ = 22924800. Its totient is φ = 10213056.

The previous prime is 16252231. The next prime is 16252259. The reversal of 16252239 is 93225261.

It is not a de Polignac number, because 16252239 - 2³ = 16252231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16252231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13027 + ... + 14219.

It is an arithmetic number, because the mean of its divisors is an integer number (1432800).

Almost surely, 2^16252239 is an apocalyptic number.

16252239 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16252239 is a deficient number, since it is larger than the sum of its proper divisors (6672561).

16252239 is a wasteful number, since it uses less digits than its factorization.

16252239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454.

The product of its digits is 6480, while the sum is 30.

The square root of 16252239 is about 4031.4065783545. The cubic root of 16252239 is about 253.3014835690.

The spelling of 16252239 in words is "sixteen million, two hundred fifty-two thousand, two hundred thirty-nine".