25401273 has 8 divisors (see below), whose sum is σ = 33925728. Its totient is φ = 16905504.

The previous prime is 25401253. The next prime is 25401287. The reversal of 25401273 is 37210452.

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

It is not a de Polignac number, because 25401273 - 2⁶ = 25401209 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25401253) 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, 5011 + ... + 8712.

It is an arithmetic number, because the mean of its divisors is an integer number (4240716).

Almost surely, 2^25401273 is an apocalyptic number.

It is an amenable number.

25401273 is a deficient number, since it is larger than the sum of its proper divisors (8524455).

25401273 is a wasteful number, since it uses less digits than its factorization.

25401273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14343.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 25401273 is about 5039.9675594194. The cubic root of 25401273 is about 293.9579166013.

The spelling of 25401273 in words is "twenty-five million, four hundred one thousand, two hundred seventy-three".