25967551 has 8 divisors (see below), whose sum is σ = 27549504. Its totient is φ = 24391680.

The previous prime is 25967533. The next prime is 25967561. The reversal of 25967551 is 15576952.

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 25967551 - 2⁵ = 25967519 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 (25967531) 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, 9706 + ... + 12088.

It is an arithmetic number, because the mean of its divisors is an integer number (3443688).

Almost surely, 2^25967551 is an apocalyptic number.

25967551 is a deficient number, since it is larger than the sum of its proper divisors (1581953).

25967551 is a wasteful number, since it uses less digits than its factorization.

25967551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3041.

The product of its digits is 94500, while the sum is 40.

The square root of 25967551 is about 5095.8366339591. The cubic root of 25967551 is about 296.1263118997.

The spelling of 25967551 in words is "twenty-five million, nine hundred sixty-seven thousand, five hundred fifty-one".