42525415 has 8 divisors (see below), whose sum is σ = 54032400. Its totient is φ = 32019072.

The previous prime is 42525389. The next prime is 42525419. The reversal of 42525415 is 51452524.

42525415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42525415 - 2²¹ = 40428263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42525419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250065 + ... + 250234.

It is an arithmetic number, because the mean of its divisors is an integer number (6754050).

Almost surely, 2^42525415 is an apocalyptic number.

42525415 is a deficient number, since it is larger than the sum of its proper divisors (11506985).

42525415 is a wasteful number, since it uses less digits than its factorization.

42525415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500321.

The product of its digits is 8000, while the sum is 28.

The square root of 42525415 is about 6521.1513553973. The cubic root of 42525415 is about 349.0461511533.

Adding to 42525415 its reverse (51452524), we get a palindrome (93977939).

The spelling of 42525415 in words is "forty-two million, five hundred twenty-five thousand, four hundred fifteen".