25630071 has 8 divisors (see below), whose sum is σ = 34419840. Its totient is φ = 16963512.

The previous prime is 25630061. The next prime is 25630079. The reversal of 25630071 is 17003652.

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

It is not a de Polignac number, because 25630071 - 2⁵ = 25630039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25630079) 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, 30315 + ... + 31148.

It is an arithmetic number, because the mean of its divisors is an integer number (4302480).

Almost surely, 2^25630071 is an apocalyptic number.

25630071 is a deficient number, since it is larger than the sum of its proper divisors (8789769).

25630071 is a wasteful number, since it uses less digits than its factorization.

25630071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61605.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 25630071 is about 5062.6150357301. The cubic root of 25630071 is about 294.8378731857.

The spelling of 25630071 in words is "twenty-five million, six hundred thirty thousand, seventy-one".