25401206 has 8 divisors (see below), whose sum is σ = 38132424. Its totient is φ = 12690400.

The previous prime is 25401199. The next prime is 25401209. The reversal of 25401206 is 60210452.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25401209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1475 + ... + 7278.

It is an arithmetic number, because the mean of its divisors is an integer number (4766553).

Almost surely, 2^25401206 is an apocalyptic number.

25401206 is a deficient number, since it is larger than the sum of its proper divisors (12731218).

25401206 is a wasteful number, since it uses less digits than its factorization.

25401206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10206.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 25401206 is about 5039.9609125468. The cubic root of 25401206 is about 293.9576581471.

Adding to 25401206 its reverse (60210452), we get a palindrome (85611658).

The spelling of 25401206 in words is "twenty-five million, four hundred one thousand, two hundred six".