42535025 has 24 divisors (see below), whose sum is σ = 58772280. Its totient is φ = 30320640.

The previous prime is 42535019. The next prime is 42535049. The reversal of 42535025 is 52053524.

It can be written as a sum of positive squares in 12 ways, for example, as 33779344 + 8755681 = 5812^2 + 2959^2 .

It is not a de Polignac number, because 42535025 - 2⁸ = 42534769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42534985 and 42535003.

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, 7169 + ... + 11681.

It is an arithmetic number, because the mean of its divisors is an integer number (2448845).

Almost surely, 2^42535025 is an apocalyptic number.

It is an amenable number.

42535025 is a deficient number, since it is larger than the sum of its proper divisors (16237255).

42535025 is a wasteful number, since it uses less digits than its factorization.

42535025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565 (or 4560 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 42535025 is about 6521.8881468483. Note that the first 3 decimals coincide. The cubic root of 42535025 is about 349.0724419480.

Adding to 42535025 its reverse (52053524), we get a palindrome (94588549).

The spelling of 42535025 in words is "forty-two million, five hundred thirty-five thousand, twenty-five".