25487347 has 8 divisors (see below), whose sum is σ = 26157296. Its totient is φ = 24820992.

The previous prime is 25487327. The next prime is 25487377. The reversal of 25487347 is 74378452.

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 25487347 - 2¹⁵ = 25454579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25487327) 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, 19003 + ... + 20299.

It is an arithmetic number, because the mean of its divisors is an integer number (3269662).

Almost surely, 2^25487347 is an apocalyptic number.

25487347 is a deficient number, since it is larger than the sum of its proper divisors (669949).

25487347 is a wasteful number, since it uses less digits than its factorization.

25487347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797.

The product of its digits is 188160, while the sum is 40.

The square root of 25487347 is about 5048.4994800436. The cubic root of 25487347 is about 294.2895746254.

The spelling of 25487347 in words is "twenty-five million, four hundred eighty-seven thousand, three hundred forty-seven".