25955601 has 8 divisors (see below), whose sum is σ = 39551424. Its totient is φ = 14831760.

The previous prime is 25955597. The next prime is 25955621. The reversal of 25955601 is 10655952.

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

It is not a de Polignac number, because 25955601 - 2² = 25955597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25955621) 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, 617970 + ... + 618011.

It is an arithmetic number, because the mean of its divisors is an integer number (4943928).

Almost surely, 2^25955601 is an apocalyptic number.

25955601 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

25955601 is a deficient number, since it is larger than the sum of its proper divisors (13595823).

25955601 is a wasteful number, since it uses less digits than its factorization.

25955601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235991.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 25955601 is about 5094.6639732175. The cubic root of 25955601 is about 296.0808801685.

The spelling of 25955601 in words is "twenty-five million, nine hundred fifty-five thousand, six hundred one".