42525197 has 16 divisors (see below), whose sum is σ = 50162112. Its totient is φ = 35541120.

The previous prime is 42525191. The next prime is 42525199. The reversal of 42525197 is 79152524.

It is a cyclic number.

It is not a de Polignac number, because 42525197 - 2⁴ = 42525181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42525191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49193 + ... + 50049.

It is an arithmetic number, because the mean of its divisors is an integer number (3135132).

Almost surely, 2^42525197 is an apocalyptic number.

It is an amenable number.

42525197 is a deficient number, since it is larger than the sum of its proper divisors (7636915).

42525197 is a wasteful number, since it uses less digits than its factorization.

42525197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228.

The product of its digits is 25200, while the sum is 35.

The square root of 42525197 is about 6521.1346405361. The cubic root of 42525197 is about 349.0455547085.

It can be divided in two parts, 4252 and 5197, that added together give a palindrome (9449).

The spelling of 42525197 in words is "forty-two million, five hundred twenty-five thousand, one hundred ninety-seven".