25551067 has 4 divisors (see below), whose sum is σ = 26895880. Its totient is φ = 24206256.

The previous prime is 25551011. The next prime is 25551109. The reversal of 25551067 is 76015552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25551067 - 2¹¹ = 25549019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25551667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672378 + ... + 672415.

It is an arithmetic number, because the mean of its divisors is an integer number (6723970).

Almost surely, 2^25551067 is an apocalyptic number.

25551067 is a deficient number, since it is larger than the sum of its proper divisors (1344813).

25551067 is a wasteful number, since it uses less digits than its factorization.

25551067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344812.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 25551067 is about 5054.8063266558. The cubic root of 25551067 is about 294.5346181260.

The spelling of 25551067 in words is "twenty-five million, five hundred fifty-one thousand, sixty-seven".