16430925 has 72 divisors (see below), whose sum is σ = 33587136. Its totient is φ = 7042560.

The previous prime is 16430867. The next prime is 16430933. The reversal of 16430925 is 52903461.

It is not a de Polignac number, because 16430925 - 2⁶ = 16430861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16430892 and 16430901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 62344 + ... + 62606.

It is an arithmetic number, because the mean of its divisors is an integer number (466488).

Almost surely, 2^16430925 is an apocalyptic number.

16430925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16430925 is an abundant number, since it is smaller than the sum of its proper divisors (17156211).

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

16430925 is a wasteful number, since it uses less digits than its factorization.

16430925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 16430925 is about 4053.5077402171. The cubic root of 16430925 is about 254.2264137364.

The spelling of 16430925 in words is "sixteen million, four hundred thirty thousand, nine hundred twenty-five".