42883425 has 84 divisors (see below), whose sum is σ = 86333884. Its totient is φ = 20995200.

The previous prime is 42883403. The next prime is 42883441. The reversal of 42883425 is 52438824.

It can be written as a sum of positive squares in 6 ways, for example, as 16842816 + 26040609 = 4104^2 + 5103^2 .

It is not a de Polignac number, because 42883425 - 2¹⁰ = 42882401 is a prime.

It is a super-3 number, since 3×42883425³ (a number of 24 digits) contains 333 as substring.

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 42883425.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 236835 + ... + 237015.

Almost surely, 2^42883425 is an apocalyptic number.

42883425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42883425 is an abundant number, since it is smaller than the sum of its proper divisors (43450459).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42883425 is a wasteful number, since it uses less digits than its factorization.

42883425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 202 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 42883425 is about 6548.5437312428. The cubic root of 42883425 is about 350.0229236686.

The spelling of 42883425 in words is "forty-two million, eight hundred eighty-three thousand, four hundred twenty-five".