25474389 has 8 divisors (see below), whose sum is σ = 34884000. Its totient is φ = 16523856.

The previous prime is 25474387. The next prime is 25474417. The reversal of 25474389 is 98347452.

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

It is not a de Polignac number, because 25474389 - 2¹ = 25474387 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 25474389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25474387) 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, 114639 + ... + 114860.

It is an arithmetic number, because the mean of its divisors is an integer number (4360500).

Almost surely, 2^25474389 is an apocalyptic number.

It is an amenable number.

25474389 is a deficient number, since it is larger than the sum of its proper divisors (9409611).

25474389 is a wasteful number, since it uses less digits than its factorization.

25474389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229539.

The product of its digits is 241920, while the sum is 42.

The square root of 25474389 is about 5047.2159652624. The cubic root of 25474389 is about 294.2396930018.

The spelling of 25474389 in words is "twenty-five million, four hundred seventy-four thousand, three hundred eighty-nine".