16245413 has 4 divisors (see below), whose sum is σ = 16291788. Its totient is φ = 16199040.

The previous prime is 16245407. The next prime is 16245431. The reversal of 16245413 is 31454261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31454261 = 83 ⋅378967.

It can be written as a sum of positive squares in 2 ways, for example, as 12376324 + 3869089 = 3518^2 + 1967^2 .

It is a cyclic number.

It is not a de Polignac number, because 16245413 - 2⁶ = 16245349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16245403) 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, 22658 + ... + 23363.

It is an arithmetic number, because the mean of its divisors is an integer number (4072947).

Almost surely, 2^16245413 is an apocalyptic number.

It is an amenable number.

16245413 is a deficient number, since it is larger than the sum of its proper divisors (46375).

16245413 is an equidigital number, since it uses as much as digits as its factorization.

16245413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46374.

The product of its digits is 2880, while the sum is 26.

The square root of 16245413 is about 4030.5598866659. The cubic root of 16245413 is about 253.2660160856.

Adding to 16245413 its reverse (31454261), we get a palindrome (47699674).

The spelling of 16245413 in words is "sixteen million, two hundred forty-five thousand, four hundred thirteen".