16051725 has 18 divisors (see below), whose sum is σ = 28750826. Its totient is φ = 8560800.

The previous prime is 16051699. The next prime is 16051727. The reversal of 16051725 is 52715061.

It can be written as a sum of positive squares in 3 ways, for example, as 35721 + 16016004 = 189^2 + 4002^2 .

It is not a de Polignac number, because 16051725 - 2⁶ = 16051661 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 (16051727) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 35446 + ... + 35895.

Almost surely, 2^16051725 is an apocalyptic number.

16051725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16051725 is a deficient number, since it is larger than the sum of its proper divisors (12699101).

16051725 is a wasteful number, since it uses less digits than its factorization.

16051725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71357 (or 71349 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 16051725 is about 4006.4604078912. The cubic root of 16051725 is about 252.2554571262.

Adding to 16051725 its reverse (52715061), we get a palindrome (68766786).

The spelling of 16051725 in words is "sixteen million, fifty-one thousand, seven hundred twenty-five".