25876465 has 8 divisors (see below), whose sum is σ = 32878440. Its totient is φ = 19483392.

The previous prime is 25876463. The next prime is 25876469. The reversal of 25876465 is 56467852.

It can be written as a sum of positive squares in 4 ways, for example, as 5841889 + 20034576 = 2417^2 + 4476^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25876465 - 2¹ = 25876463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25876463) 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, 152130 + ... + 152299.

It is an arithmetic number, because the mean of its divisors is an integer number (4109805).

Almost surely, 2^25876465 is an apocalyptic number.

It is an amenable number.

25876465 is a deficient number, since it is larger than the sum of its proper divisors (7001975).

25876465 is a wasteful number, since it uses less digits than its factorization.

25876465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304451.

The product of its digits is 403200, while the sum is 43.

The square root of 25876465 is about 5086.8914869496. The cubic root of 25876465 is about 295.7796669606.

The spelling of 25876465 in words is "twenty-five million, eight hundred seventy-six thousand, four hundred sixty-five".