16253404 has 12 divisors (see below), whose sum is σ = 28980504. Its totient is φ = 7973264.

The previous prime is 16253401. The next prime is 16253423. The reversal of 16253404 is 40435261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16253401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38122 + ... + 38545.

It is an arithmetic number, because the mean of its divisors is an integer number (2415042).

Almost surely, 2^16253404 is an apocalyptic number.

It is an amenable number.

16253404 is a deficient number, since it is larger than the sum of its proper divisors (12727100).

16253404 is a wasteful number, since it uses less digits than its factorization.

16253404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76724 (or 76722 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 16253404 is about 4031.5510662771. The cubic root of 16253404 is about 253.3075358465.

Adding to 16253404 its reverse (40435261), we get a palindrome (56688665).

The spelling of 16253404 in words is "sixteen million, two hundred fifty-three thousand, four hundred four".