42524401 has 8 divisors (see below), whose sum is σ = 44455104. Its totient is φ = 40600560.

The previous prime is 42524399. The next prime is 42524407. The reversal of 42524401 is 10442524.

It is a happy number.

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 42524401 - 2¹ = 42524399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42524407) 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, 14206 + ... + 16936.

It is an arithmetic number, because the mean of its divisors is an integer number (5556888).

Almost surely, 2^42524401 is an apocalyptic number.

It is an amenable number.

42524401 is a deficient number, since it is larger than the sum of its proper divisors (1930703).

42524401 is a wasteful number, since it uses less digits than its factorization.

42524401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3431.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 42524401 is about 6521.0736079268. The cubic root of 42524401 is about 349.0433768468.

Adding to 42524401 its reverse (10442524), we get a palindrome (52966925).

The spelling of 42524401 in words is "forty-two million, five hundred twenty-four thousand, four hundred one".