42525355 has 4 divisors (see below), whose sum is σ = 51030432. Its totient is φ = 34020280.

The previous prime is 42525349. The next prime is 42525361. The reversal of 42525355 is 55352524.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42525349) and next prime (42525361).

It is not a de Polignac number, because 42525355 - 2⁷ = 42525227 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4252531 + ... + 4252540.

It is an arithmetic number, because the mean of its divisors is an integer number (12757608).

Almost surely, 2^42525355 is an apocalyptic number.

42525355 is a deficient number, since it is larger than the sum of its proper divisors (8505077).

42525355 is an equidigital number, since it uses as much as digits as its factorization.

42525355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8505076.

The product of its digits is 30000, while the sum is 31.

The square root of 42525355 is about 6521.1467549811. The cubic root of 42525355 is about 349.0459869944.

Adding to 42525355 its reverse (55352524), we get a palindrome (97877879).

The spelling of 42525355 in words is "forty-two million, five hundred twenty-five thousand, three hundred fifty-five".