25052989 has 8 divisors (see below), whose sum is σ = 27361152. Its totient is φ = 22799280.

The previous prime is 25052987. The next prime is 25053031. The reversal of 25052989 is 98925052.

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 25052989 - 2¹ = 25052987 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25052981) 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, 12649 + ... + 14494.

It is an arithmetic number, because the mean of its divisors is an integer number (3420144).

Almost surely, 2^25052989 is an apocalyptic number.

It is an amenable number.

25052989 is a deficient number, since it is larger than the sum of its proper divisors (2308163).

25052989 is a wasteful number, since it uses less digits than its factorization.

25052989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27227.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 25052989 is about 5005.2960951376. The cubic root of 25052989 is about 292.6082157358.

The spelling of 25052989 in words is "twenty-five million, fifty-two thousand, nine hundred eighty-nine".