25510601 has 4 divisors (see below), whose sum is σ = 25833600. Its totient is φ = 25187604.

The previous prime is 25510579. The next prime is 25510609. The reversal of 25510601 is 10601552.

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 25510601 - 2¹⁰ = 25509577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25510609) 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, 161381 + ... + 161538.

It is an arithmetic number, because the mean of its divisors is an integer number (6458400).

Almost surely, 2^25510601 is an apocalyptic number.

It is an amenable number.

25510601 is a deficient number, since it is larger than the sum of its proper divisors (322999).

25510601 is an equidigital number, since it uses as much as digits as its factorization.

25510601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322998.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 25510601 is about 5050.8020155219. The cubic root of 25510601 is about 294.3790481666.

The spelling of 25510601 in words is "twenty-five million, five hundred ten thousand, six hundred one".