42210325 has 6 divisors (see below), whose sum is σ = 52340834. Its totient is φ = 33768240.

The previous prime is 42210319. The next prime is 42210331. The reversal of 42210325 is 52301224.

It is an interprime number because it is at equal distance from previous prime (42210319) and next prime (42210331).

It can be written as a sum of positive squares in 3 ways, for example, as 142129 + 42068196 = 377^2 + 6486^2 .

It is not a de Polignac number, because 42210325 - 2¹⁵ = 42177557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 844182 + ... + 844231.

Almost surely, 2^42210325 is an apocalyptic number.

It is an amenable number.

42210325 is a deficient number, since it is larger than the sum of its proper divisors (10130509).

42210325 is a wasteful number, since it uses less digits than its factorization.

42210325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688423 (or 1688418 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 42210325 is about 6496.9473601069. The cubic root of 42210325 is about 348.1819329887.

Adding to 42210325 its reverse (52301224), we get a palindrome (94511549).

The spelling of 42210325 in words is "forty-two million, two hundred ten thousand, three hundred twenty-five".