25355045 has 4 divisors (see below), whose sum is σ = 30426060. Its totient is φ = 20284032.

The previous prime is 25355021. The next prime is 25355051. The reversal of 25355045 is 54055352.

It is a happy number.

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 13293316 + 12061729 = 3646^2 + 3473^2 .

It is a cyclic number.

It is not a de Polignac number, because 25355045 - 2¹⁴ = 25338661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25354999 and 25355017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2535500 + ... + 2535509.

It is an arithmetic number, because the mean of its divisors is an integer number (7606515).

Almost surely, 2^25355045 is an apocalyptic number.

It is an amenable number.

25355045 is a deficient number, since it is larger than the sum of its proper divisors (5071015).

25355045 is an equidigital number, since it uses as much as digits as its factorization.

25355045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5071014.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 25355045 is about 5035.3793302988. The cubic root of 25355045 is about 293.7794827810.

The spelling of 25355045 in words is "twenty-five million, three hundred fifty-five thousand, forty-five".