42113225 has 48 divisors (see below), whose sum is σ = 65995776. Its totient is φ = 25896000.

The previous prime is 42113219. The next prime is 42113231. The reversal of 42113225 is 52231124.

It is an interprime number because it is at equal distance from previous prime (42113219) and next prime (42113231).

It is not a de Polignac number, because 42113225 - 2¹⁰ = 42112201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42113197 and 42113206.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 252092 + ... + 252258.

It is an arithmetic number, because the mean of its divisors is an integer number (1374912).

Almost surely, 2^42113225 is an apocalyptic number.

It is an amenable number.

42113225 is a deficient number, since it is larger than the sum of its proper divisors (23882551).

42113225 is a wasteful number, since it uses less digits than its factorization.

42113225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 321 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 42113225 is about 6489.4703173680. The cubic root of 42113225 is about 347.9147438350.

Adding to 42113225 its reverse (52231124), we get a palindrome (94344349).

The spelling of 42113225 in words is "forty-two million, one hundred thirteen thousand, two hundred twenty-five".