25427461 has 8 divisors (see below), whose sum is σ = 27852120. Its totient is φ = 23106048.

The previous prime is 25427431. The next prime is 25427477. The reversal of 25427461 is 16472452.

It can be written as a sum of positive squares in 4 ways, for example, as 7322436 + 18105025 = 2706^2 + 4255^2 .

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 25427461 - 2⁵ = 25427429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25427401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25296 + ... + 26281.

It is an arithmetic number, because the mean of its divisors is an integer number (3481515).

Almost surely, 2^25427461 is an apocalyptic number.

It is an amenable number.

25427461 is a deficient number, since it is larger than the sum of its proper divisors (2424659).

25427461 is a wasteful number, since it uses less digits than its factorization.

25427461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51623.

The product of its digits is 13440, while the sum is 31.

The square root of 25427461 is about 5042.5649227353. The cubic root of 25427461 is about 294.0589026936.

The spelling of 25427461 in words is "twenty-five million, four hundred twenty-seven thousand, four hundred sixty-one".