25258601 has 4 divisors (see below), whose sum is σ = 25307604. Its totient is φ = 25209600.

The previous prime is 25258573. The next prime is 25258603. The reversal of 25258601 is 10685252.

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 18498601 + 6760000 = 4301^2 + 2600^2 .

It is a cyclic number.

It is not a de Polignac number, because 25258601 - 2⁶ = 25258537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25258603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23720 + ... + 24761.

It is an arithmetic number, because the mean of its divisors is an integer number (6326901).

Almost surely, 2^25258601 is an apocalyptic number.

It is an amenable number.

25258601 is a deficient number, since it is larger than the sum of its proper divisors (49003).

25258601 is an equidigital number, since it uses as much as digits as its factorization.

25258601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49002.

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

The square root of 25258601 is about 5025.7935691789. The cubic root of 25258601 is about 293.4065225716.

The spelling of 25258601 in words is "twenty-five million, two hundred fifty-eight thousand, six hundred one".