25625801 has 4 divisors (see below), whose sum is σ = 25852692. Its totient is φ = 25398912.

The previous prime is 25625773. The next prime is 25625837. The reversal of 25625801 is 10852652.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 274576 + 25351225 = 524^2 + 5035^2 .

It is a cyclic number.

It is not a de Polignac number, because 25625801 - 2²² = 21431497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25625881) 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, 113276 + ... + 113501.

It is an arithmetic number, because the mean of its divisors is an integer number (6463173).

Almost surely, 2^25625801 is an apocalyptic number.

It is an amenable number.

25625801 is a deficient number, since it is larger than the sum of its proper divisors (226891).

25625801 is a wasteful number, since it uses less digits than its factorization.

25625801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226890.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 25625801 is about 5062.1932993516. The cubic root of 25625801 is about 294.8214988307.

The spelling of 25625801 in words is "twenty-five million, six hundred twenty-five thousand, eight hundred one".