25000471 has 8 divisors (see below), whose sum is σ = 26580960. Its totient is φ = 23461152.

The previous prime is 25000439. The next prime is 25000487. The reversal of 25000471 is 17400052.

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 25000471 - 2⁵ = 25000439 is a prime.

It is a super-3 number, since 3×25000471³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25000411) 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, 9036 + ... + 11473.

It is an arithmetic number, because the mean of its divisors is an integer number (3322620).

Almost surely, 2^25000471 is an apocalyptic number.

25000471 is a deficient number, since it is larger than the sum of its proper divisors (1580489).

25000471 is a wasteful number, since it uses less digits than its factorization.

25000471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20585.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 25000471 is about 5000.0470997782. The cubic root of 25000471 is about 292.4036100929.

The spelling of 25000471 in words is "twenty-five million, four hundred seventy-one", and thus it is an aban number.