16318425 has 12 divisors (see below), whose sum is σ = 26979920. Its totient is φ = 8703120.

The previous prime is 16318411. The next prime is 16318459. The reversal of 16318425 is 52481361.

It is not a de Polignac number, because 16318425 - 2⁷ = 16318297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16318392 and 16318401.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108715 + ... + 108864.

Almost surely, 2^16318425 is an apocalyptic number.

16318425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16318425 is a deficient number, since it is larger than the sum of its proper divisors (10661495).

16318425 is a wasteful number, since it uses less digits than its factorization.

16318425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217592 (or 217587 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 16318425 is about 4039.6070353439. The cubic root of 16318425 is about 253.6448681588.

Adding to 16318425 its reverse (52481361), we get a palindrome (68799786).

The spelling of 16318425 in words is "sixteen million, three hundred eighteen thousand, four hundred twenty-five".