42303425 has 6 divisors (see below), whose sum is σ = 52456278. Its totient is φ = 33842720.

The previous prime is 42303421. The next prime is 42303449. The reversal of 42303425 is 52430324.

It can be written as a sum of positive squares in 3 ways, for example, as 92416 + 42211009 = 304^2 + 6497^2 .

It is not a de Polignac number, because 42303425 - 2² = 42303421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42303425.

It is not an unprimeable number, because it can be changed into a prime (42303421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 846044 + ... + 846093.

It is an arithmetic number, because the mean of its divisors is an integer number (8742713).

Almost surely, 2^42303425 is an apocalyptic number.

It is an amenable number.

42303425 is a deficient number, since it is larger than the sum of its proper divisors (10152853).

42303425 is a wasteful number, since it uses less digits than its factorization.

42303425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692147 (or 1692142 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 42303425 is about 6504.1083170562. The cubic root of 42303425 is about 348.4377308678.

Adding to 42303425 its reverse (52430324), we get a palindrome (94733749).

The spelling of 42303425 in words is "forty-two million, three hundred three thousand, four hundred twenty-five".