25314609 has 8 divisors (see below), whose sum is σ = 33776512. Its totient is φ = 16864560.

The previous prime is 25314607. The next prime is 25314617. The reversal of 25314609 is 90641352.

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

It is not a de Polignac number, because 25314609 - 2¹ = 25314607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25314607) 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, 5379 + ... + 8919.

It is an arithmetic number, because the mean of its divisors is an integer number (4222064).

Almost surely, 2^25314609 is an apocalyptic number.

It is an amenable number.

25314609 is a deficient number, since it is larger than the sum of its proper divisors (8461903).

25314609 is a wasteful number, since it uses less digits than its factorization.

25314609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5927.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 25314609 is about 5031.3625391140. The cubic root of 25314609 is about 293.6232273855.

It can be divided in two parts, 2531 and 4609, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 25314609 in words is "twenty-five million, three hundred fourteen thousand, six hundred nine".