25071197 has 8 divisors (see below), whose sum is σ = 25506816. Its totient is φ = 24639552.

The previous prime is 25071191. The next prime is 25071217. The reversal of 25071197 is 79117052.

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 25071197 - 2⁴ = 25071181 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 (25071191) 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, 13478 + ... + 15224.

It is an arithmetic number, because the mean of its divisors is an integer number (3188352).

Almost surely, 2^25071197 is an apocalyptic number.

It is an amenable number.

25071197 is a deficient number, since it is larger than the sum of its proper divisors (435619).

25071197 is a wasteful number, since it uses less digits than its factorization.

25071197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987.

The product of its (nonzero) digits is 4410, while the sum is 32.

The square root of 25071197 is about 5007.1146381923. The cubic root of 25071197 is about 292.6790857918.

The spelling of 25071197 in words is "twenty-five million, seventy-one thousand, one hundred ninety-seven".