25706001 has 16 divisors (see below), whose sum is σ = 35100864. Its totient is φ = 16729344.

The previous prime is 25705997. The next prime is 25706003. The reversal of 25706001 is 10060752.

It is not a de Polignac number, because 25706001 - 2² = 25705997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25706003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22885 + ... + 23981.

It is an arithmetic number, because the mean of its divisors is an integer number (2193804).

Almost surely, 2^25706001 is an apocalyptic number.

It is an amenable number.

25706001 is a deficient number, since it is larger than the sum of its proper divisors (9394863).

25706001 is a wasteful number, since it uses less digits than its factorization.

25706001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 25706001 is about 5070.1085787190. The cubic root of 25706001 is about 295.1287420451.

Adding to 25706001 its reverse (10060752), we get a palindrome (35766753).

The spelling of 25706001 in words is "twenty-five million, seven hundred six thousand, one".