25770601 has 4 divisors (see below), whose sum is σ = 25793604. Its totient is φ = 25747600.

The previous prime is 25770583. The next prime is 25770637. The reversal of 25770601 is 10607752.

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 20034576 + 5736025 = 4476^2 + 2395^2 .

It is a cyclic number.

It is not a de Polignac number, because 25770601 - 2¹⁹ = 25246313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25770601.

It is not an unprimeable number, because it can be changed into a prime (25770401) 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, 9730 + ... + 12091.

It is an arithmetic number, because the mean of its divisors is an integer number (6448401).

Almost surely, 2^25770601 is an apocalyptic number.

It is an amenable number.

25770601 is a deficient number, since it is larger than the sum of its proper divisors (23003).

25770601 is a wasteful number, since it uses less digits than its factorization.

25770601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23002.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 25770601 is about 5076.4752535593. The cubic root of 25770601 is about 295.3757578867.

The spelling of 25770601 in words is "twenty-five million, seven hundred seventy thousand, six hundred one".