42437225 has 12 divisors (see below), whose sum is σ = 53515920. Its totient is φ = 33373200.

The previous prime is 42437207. The next prime is 42437249. The reversal of 42437225 is 52273424.

It is not a de Polignac number, because 42437225 - 2¹² = 42433129 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12911 + ... + 15860.

It is an arithmetic number, because the mean of its divisors is an integer number (4459660).

Almost surely, 2^42437225 is an apocalyptic number.

It is an amenable number.

42437225 is a deficient number, since it is larger than the sum of its proper divisors (11078695).

42437225 is a wasteful number, since it uses less digits than its factorization.

42437225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28840 (or 28835 counting only the distinct ones).

The product of its digits is 13440, while the sum is 29.

The square root of 42437225 is about 6514.3860033007. The cubic root of 42437225 is about 348.8046980235.

The spelling of 42437225 in words is "forty-two million, four hundred thirty-seven thousand, two hundred twenty-five".