25379005 has 8 divisors (see below), whose sum is σ = 31779072. Its totient is φ = 19420368.

The previous prime is 25378999. The next prime is 25379033. The reversal of 25379005 is 50097352.

It is a happy number.

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 25379005 - 2¹⁷ = 25247933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110229 + ... + 110458.

It is an arithmetic number, because the mean of its divisors is an integer number (3972384).

Almost surely, 2^25379005 is an apocalyptic number.

It is an amenable number.

25379005 is a deficient number, since it is larger than the sum of its proper divisors (6400067).

25379005 is a wasteful number, since it uses less digits than its factorization.

25379005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220715.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 25379005 is about 5037.7579338432. The cubic root of 25379005 is about 293.8719921855.

The spelling of 25379005 in words is "twenty-five million, three hundred seventy-nine thousand, five".