42454325 has 18 divisors (see below), whose sum is σ = 53937954. Its totient is φ = 33136480.

The previous prime is 42454267. The next prime is 42454327. The reversal of 42454325 is 52345424.

It can be written as a sum of positive squares in 3 ways, for example, as 5414929 + 37039396 = 2327^2 + 6086^2 .

It is not a de Polignac number, because 42454325 - 2¹⁶ = 42388789 is a prime.

It is a super-2 number, since 2×42454325² = 3604739422411250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42454327) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 237086 + ... + 237264.

It is an arithmetic number, because the mean of its divisors is an integer number (2996553).

Almost surely, 2^42454325 is an apocalyptic number.

It is an amenable number.

42454325 is a deficient number, since it is larger than the sum of its proper divisors (11483629).

42454325 is an equidigital number, since it uses as much as digits as its factorization.

42454325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421 (or 237 counting only the distinct ones).

The product of its digits is 19200, while the sum is 29.

The square root of 42454325 is about 6515.6983509061. The cubic root of 42454325 is about 348.8515417979.

Adding to 42454325 its reverse (52345424), we get a palindrome (94799749).

The spelling of 42454325 in words is "forty-two million, four hundred fifty-four thousand, three hundred twenty-five".