42613325 has 24 divisors (see below), whose sum is σ = 55744200. Its totient is φ = 32264960.

The previous prime is 42613303. The next prime is 42613331. The reversal of 42613325 is 52331624.

It can be written as a sum of positive squares in 12 ways, for example, as 19245769 + 23367556 = 4387^2 + 4834^2 .

It is not a de Polignac number, because 42613325 - 2⁶ = 42613261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42613294 and 42613303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37871 + ... + 38979.

It is an arithmetic number, because the mean of its divisors is an integer number (2322675).

Almost surely, 2^42613325 is an apocalyptic number.

It is an amenable number.

42613325 is a deficient number, since it is larger than the sum of its proper divisors (13130875).

42613325 is a wasteful number, since it uses less digits than its factorization.

42613325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201 (or 1196 counting only the distinct ones).

The product of its digits is 4320, while the sum is 26.

The square root of 42613325 is about 6527.8882496562. Note that the first 3 decimals coincide. The cubic root of 42613325 is about 349.2865056745.

Adding to 42613325 its reverse (52331624), we get a palindrome (94944949).

The spelling of 42613325 in words is "forty-two million, six hundred thirteen thousand, three hundred twenty-five".