25625416 has 8 divisors (see below), whose sum is σ = 48047670. Its totient is φ = 12812704.

The previous prime is 25625407. The next prime is 25625419. The reversal of 25625416 is 61452652.

It can be written as a sum of positive squares in only one way, i.e., 21585316 + 4040100 = 4646^2 + 2010^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (25625419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1601581 + ... + 1601596.

Almost surely, 2^25625416 is an apocalyptic number.

It is an amenable number.

25625416 is a deficient number, since it is larger than the sum of its proper divisors (22422254).

25625416 is a wasteful number, since it uses less digits than its factorization.

25625416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3203183 (or 3203179 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 25625416 is about 5062.1552722136. The cubic root of 25625416 is about 294.8200223650.

The spelling of 25625416 in words is "twenty-five million, six hundred twenty-five thousand, four hundred sixteen".