25066601 has 4 divisors (see below), whose sum is σ = 28647552. Its totient is φ = 21485652.

The previous prime is 25066577. The next prime is 25066607. The reversal of 25066601 is 10666052.

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 a cyclic number.

It is not a de Polignac number, because 25066601 - 2⁶ = 25066537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25066607) 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, 1790465 + ... + 1790478.

It is an arithmetic number, because the mean of its divisors is an integer number (7161888).

Almost surely, 2^25066601 is an apocalyptic number.

It is an amenable number.

25066601 is a deficient number, since it is larger than the sum of its proper divisors (3580951).

25066601 is an equidigital number, since it uses as much as digits as its factorization.

25066601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580950.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 25066601 is about 5006.6556702054. The cubic root of 25066601 is about 292.6612002572.

The spelling of 25066601 in words is "twenty-five million, sixty-six thousand, six hundred one".