25652045 has 4 divisors (see below), whose sum is σ = 30782460. Its totient is φ = 20521632.

The previous prime is 25652041. The next prime is 25652051. The reversal of 25652045 is 54025652.

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 10426441 + 15225604 = 3229^2 + 3902^2 .

It is a cyclic number.

It is not a de Polignac number, because 25652045 - 2² = 25652041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25651999 and 25652017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25652041) 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, 2565200 + ... + 2565209.

It is an arithmetic number, because the mean of its divisors is an integer number (7695615).

Almost surely, 2^25652045 is an apocalyptic number.

It is an amenable number.

25652045 is a deficient number, since it is larger than the sum of its proper divisors (5130415).

25652045 is an equidigital number, since it uses as much as digits as its factorization.

25652045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5130414.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 25652045 is about 5064.7847930588. The cubic root of 25652045 is about 294.9221090920.

Adding to 25652045 its reverse (54025652), we get a palindrome (79677697).

It can be divided in two parts, 2565 and 2045, that multiplied together give a palindrome (5245425).

The spelling of 25652045 in words is "twenty-five million, six hundred fifty-two thousand, forty-five".