16252590 has 32 divisors (see below), whose sum is σ = 39152160. Its totient is φ = 4317824.

The previous prime is 16252573. The next prime is 16252597. The reversal of 16252590 is 9525261.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16252597) 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, 8656 + ... + 10364.

It is an arithmetic number, because the mean of its divisors is an integer number (1223505).

Almost surely, 2^16252590 is an apocalyptic number.

16252590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16252590 is an abundant number, since it is smaller than the sum of its proper divisors (22899570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16252590 is a wasteful number, since it uses less digits than its factorization.

16252590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 16252590 is about 4031.4501113123. The cubic root of 16252590 is about 253.3033070753.

The spelling of 16252590 in words is "sixteen million, two hundred fifty-two thousand, five hundred ninety".