25573061 has 4 divisors (see below), whose sum is σ = 25631232. Its totient is φ = 25514892.

The previous prime is 25573057. The next prime is 25573063. The reversal of 25573061 is 16037552.

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 25573061 - 2² = 25573057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25573063) 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, 28421 + ... + 29306.

It is an arithmetic number, because the mean of its divisors is an integer number (6407808).

Almost surely, 2^25573061 is an apocalyptic number.

It is an amenable number.

25573061 is a deficient number, since it is larger than the sum of its proper divisors (58171).

25573061 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 9 representation: 25573061 = (53106572)₉.

25573061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58170.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 25573061 is about 5056.9814118701. The cubic root of 25573061 is about 294.6191043114.

The spelling of 25573061 in words is "twenty-five million, five hundred seventy-three thousand, sixty-one".