25823001 has 4 divisors (see below), whose sum is σ = 34430672. Its totient is φ = 17215332.

The previous prime is 25822999. The next prime is 25823011. The reversal of 25823001 is 10032852.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 25823001 - 2¹ = 25822999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25823011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4303831 + ... + 4303836.

It is an arithmetic number, because the mean of its divisors is an integer number (8607668).

Almost surely, 2^25823001 is an apocalyptic number.

It is an amenable number.

25823001 is a deficient number, since it is larger than the sum of its proper divisors (8607671).

25823001 is an equidigital number, since it uses as much as digits as its factorization.

25823001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8607670.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 25823001 is about 5081.6336940004. The cubic root of 25823001 is about 295.5758206269.

Adding to 25823001 its reverse (10032852), we get a palindrome (35855853).

The spelling of 25823001 in words is "twenty-five million, eight hundred twenty-three thousand, one".