14305725 has 72 divisors (see below), whose sum is σ = 30331392. Its totient is φ = 6307200.

The previous prime is 14305723. The next prime is 14305757. The reversal of 14305725 is 52750341.

14305725 = 141² + 142² + ... + 357².

It is a happy number.

It is not a de Polignac number, because 14305725 - 2¹ = 14305723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14305723) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 48679 + ... + 48971.

Almost surely, 2^14305725 is an apocalyptic number.

14305725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14305725 is an abundant number, since it is smaller than the sum of its proper divisors (16025667).

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

14305725 is a wasteful number, since it uses less digits than its factorization.

14305725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 14305725 is about 3782.2909724134. The cubic root of 14305725 is about 242.7559914067.

The spelling of 14305725 in words is "fourteen million, three hundred five thousand, seven hundred twenty-five".