16252439 has 8 divisors (see below), whose sum is σ = 18630528. Its totient is φ = 13888440.

The previous prime is 16252427. The next prime is 16252471. The reversal of 16252439 is 93425261.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16252439 - 2¹⁶ = 16186903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16252039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917 + ... + 5774.

It is an arithmetic number, because the mean of its divisors is an integer number (2328816).

Almost surely, 2^16252439 is an apocalyptic number.

16252439 is a deficient number, since it is larger than the sum of its proper divisors (2378089).

16252439 is an equidigital number, since it uses as much as digits as its factorization.

16252439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7045.

The product of its digits is 12960, while the sum is 32.

The square root of 16252439 is about 4031.4313835163. The cubic root of 16252439 is about 253.3025226072.

The spelling of 16252439 in words is "sixteen million, two hundred fifty-two thousand, four hundred thirty-nine".