25862001 has 32 divisors (see below), whose sum is σ = 39398400. Its totient is φ = 14950080.

The previous prime is 25861999. The next prime is 25862017. The reversal of 25862001 is 10026852.

It is not a de Polignac number, because 25862001 - 2¹ = 25861999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25862071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71860 + ... + 72218.

It is an arithmetic number, because the mean of its divisors is an integer number (1231200).

Almost surely, 2^25862001 is an apocalyptic number.

It is an amenable number.

25862001 is a deficient number, since it is larger than the sum of its proper divisors (13536399).

25862001 is a wasteful number, since it uses less digits than its factorization.

25862001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 25862001 is about 5085.4695948359. The cubic root of 25862001 is about 295.7245466746.

Adding to 25862001 its reverse (10026852), we get a palindrome (35888853).

The spelling of 25862001 in words is "twenty-five million, eight hundred sixty-two thousand, one".