25216071 has 8 divisors (see below), whose sum is σ = 33761904. Its totient is φ = 16740480.

The previous prime is 25216067. The next prime is 25216091. The reversal of 25216071 is 17061252.

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

It is not a de Polignac number, because 25216071 - 2² = 25216067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25216001) 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, 16716 + ... + 18161.

It is an arithmetic number, because the mean of its divisors is an integer number (4220238).

Almost surely, 2^25216071 is an apocalyptic number.

25216071 is a deficient number, since it is larger than the sum of its proper divisors (8545833).

25216071 is a wasteful number, since it uses less digits than its factorization.

25216071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35121.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 25216071 is about 5021.5606139924. The cubic root of 25216071 is about 293.2417524312.

The spelling of 25216071 in words is "twenty-five million, two hundred sixteen thousand, seventy-one".