25142585 has 8 divisors (see below), whose sum is σ = 32492040. Its totient is φ = 18566784.

The previous prime is 25142563. The next prime is 25142599. The reversal of 25142585 is 58524152.

It can be written as a sum of positive squares in 4 ways, for example, as 896809 + 24245776 = 947^2 + 4924^2 .

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 25142585 - 2⁸ = 25142329 is a prime.

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, 193340 + ... + 193469.

It is an arithmetic number, because the mean of its divisors is an integer number (4061505).

Almost surely, 2^25142585 is an apocalyptic number.

It is an amenable number.

25142585 is a deficient number, since it is larger than the sum of its proper divisors (7349455).

25142585 is a wasteful number, since it uses less digits than its factorization.

25142585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386827.

The product of its digits is 16000, while the sum is 32.

The square root of 25142585 is about 5014.2382272884. The cubic root of 25142585 is about 292.9566150861.

The spelling of 25142585 in words is "twenty-five million, one hundred forty-two thousand, five hundred eighty-five".