25247671 has 8 divisors (see below), whose sum is σ = 26431488. Its totient is φ = 24087000.

The previous prime is 25247639. The next prime is 25247699. The reversal of 25247671 is 17674252.

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

It is not a de Polignac number, because 25247671 - 2⁵ = 25247639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25247471) 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, 3535 + ... + 7936.

It is an arithmetic number, because the mean of its divisors is an integer number (3303936).

Almost surely, 2^25247671 is an apocalyptic number.

25247671 is a deficient number, since it is larger than the sum of its proper divisors (1183817).

25247671 is a wasteful number, since it uses less digits than its factorization.

25247671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11573.

The product of its digits is 23520, while the sum is 34.

The square root of 25247671 is about 5024.7060610547. The cubic root of 25247671 is about 293.3641951287.

The spelling of 25247671 in words is "twenty-five million, two hundred forty-seven thousand, six hundred seventy-one".