25801073 has 8 divisors (see below), whose sum is σ = 26548992. Its totient is φ = 25061536.

The previous prime is 25801067. The next prime is 25801079. The reversal of 25801073 is 37010852.

It is an interprime number because it is at equal distance from previous prime (25801067) and next prime (25801079).

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 25801073 - 2¹² = 25796977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25801079) 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, 4436 + ... + 8442.

It is an arithmetic number, because the mean of its divisors is an integer number (3318624).

Almost surely, 2^25801073 is an apocalyptic number.

It is an amenable number.

25801073 is a deficient number, since it is larger than the sum of its proper divisors (747919).

25801073 is a wasteful number, since it uses less digits than its factorization.

25801073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4191.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 25801073 is about 5079.4756619163. The cubic root of 25801073 is about 295.4921326769.

The spelling of 25801073 in words is "twenty-five million, eight hundred one thousand, seventy-three".