42524277 has 8 divisors (see below), whose sum is σ = 56778720. Its totient is φ = 28309680.

The previous prime is 42524239. The next prime is 42524329. The reversal of 42524277 is 77242524.

It is a happy number.

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

It is not a de Polignac number, because 42524277 - 2⁶ = 42524213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42524227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7374 + ... + 11807.

It is an arithmetic number, because the mean of its divisors is an integer number (7097340).

Almost surely, 2^42524277 is an apocalyptic number.

It is an amenable number.

42524277 is a deficient number, since it is larger than the sum of its proper divisors (14254443).

42524277 is a wasteful number, since it uses less digits than its factorization.

42524277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19923.

The product of its digits is 31360, while the sum is 33.

The square root of 42524277 is about 6521.0641002830. The cubic root of 42524277 is about 349.0430375794.

The spelling of 42524277 in words is "forty-two million, five hundred twenty-four thousand, two hundred seventy-seven".