25250385 has 8 divisors (see below), whose sum is σ = 40400640. Its totient is φ = 13466864.

The previous prime is 25250377. The next prime is 25250431. The reversal of 25250385 is 58305252.

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 25250385 - 2³ = 25250377 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 841665 + ... + 841694.

It is an arithmetic number, because the mean of its divisors is an integer number (5050080).

Almost surely, 2^25250385 is an apocalyptic number.

It is an amenable number.

25250385 is a deficient number, since it is larger than the sum of its proper divisors (15150255).

25250385 is a wasteful number, since it uses less digits than its factorization.

25250385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683367.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 25250385 is about 5024.9761193462. The cubic root of 25250385 is about 293.3747064863.

The spelling of 25250385 in words is "twenty-five million, two hundred fifty thousand, three hundred eighty-five".