42115325 has 12 divisors (see below), whose sum is σ = 59683680. Its totient is φ = 28878960.

The previous prime is 42115313. The next prime is 42115331. The reversal of 42115325 is 52351124.

It is not a de Polignac number, because 42115325 - 2¹⁰ = 42114301 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42115325.

It is a congruent 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, 120155 + ... + 120504.

It is an arithmetic number, because the mean of its divisors is an integer number (4973640).

Almost surely, 2^42115325 is an apocalyptic number.

It is an amenable number.

42115325 is a deficient number, since it is larger than the sum of its proper divisors (17568355).

42115325 is a wasteful number, since it uses less digits than its factorization.

42115325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240676 (or 240671 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 42115325 is about 6489.6321159215. The cubic root of 42115325 is about 347.9205267280.

Adding to 42115325 its reverse (52351124), we get a palindrome (94466449).

The spelling of 42115325 in words is "forty-two million, one hundred fifteen thousand, three hundred twenty-five".