45025543 has 2 divisors, whose sum is σ = 45025544. Its totient is φ = 45025542.

The previous prime is 45025511. The next prime is 45025553. The reversal of 45025543 is 34552054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45025543 - 2⁵ = 45025511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45025553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22512771 + 22512772.

It is an arithmetic number, because the mean of its divisors is an integer number (22512772).

Almost surely, 2^45025543 is an apocalyptic number.

45025543 is a deficient number, since it is larger than the sum of its proper divisors (1).

45025543 is an equidigital number, since it uses as much as digits as its factorization.

45025543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 45025543 is about 6710.1075252190. The cubic root of 45025543 is about 355.7566167756.

Adding to 45025543 its reverse (34552054), we get a palindrome (79577597).

The spelling of 45025543 in words is "forty-five million, twenty-five thousand, five hundred forty-three".