42025453 has 2 divisors, whose sum is σ = 42025454. Its totient is φ = 42025452.

The previous prime is 42025447. The next prime is 42025469. The reversal of 42025453 is 35452024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35964009 + 6061444 = 5997^2 + 2462^2 .

It is a cyclic number.

It is not a de Polignac number, because 42025453 - 2¹⁷ = 41894381 is a prime.

It is a super-2 number, since 2×42025453² = 3532277399710418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42025433) by changing a digit.

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 as a sum of consecutive naturals, namely, 21012726 + 21012727.

It is an arithmetic number, because the mean of its divisors is an integer number (21012727).

Almost surely, 2^42025453 is an apocalyptic number.

It is an amenable number.

42025453 is a deficient number, since it is larger than the sum of its proper divisors (1).

42025453 is an equidigital number, since it uses as much as digits as its factorization.

42025453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 42025453 is about 6482.7041425627. The cubic root of 42025453 is about 347.6728688057.

Adding to 42025453 its reverse (35452024), we get a palindrome (77477477).

The spelling of 42025453 in words is "forty-two million, twenty-five thousand, four hundred fifty-three".