25628084 has 24 divisors (see below), whose sum is σ = 45710280. Its totient is φ = 12570624.

The previous prime is 25628081. The next prime is 25628101. The reversal of 25628084 is 48082652.

25628084 = 492² + 493² + ... + 580².

It can be written as a sum of positive squares in 4 ways, for example, as 327184 + 25300900 = 572^2 + 5030^2 .

It is a super-2 number, since 2×25628084² = 1313597379022112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25628081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68522 + ... + 68894.

It is an arithmetic number, because the mean of its divisors is an integer number (1904595).

Almost surely, 2^25628084 is an apocalyptic number.

It is an amenable number.

25628084 is a deficient number, since it is larger than the sum of its proper divisors (20082196).

25628084 is a wasteful number, since it uses less digits than its factorization.

25628084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 25628084 is about 5062.4187894721. The cubic root of 25628084 is about 294.8302537765.

The spelling of 25628084 in words is "twenty-five million, six hundred twenty-eight thousand, eighty-four".