42534250 has 32 divisors (see below), whose sum is σ = 86868288. Its totient is φ = 15466000.

The previous prime is 42534241. The next prime is 42534251. The reversal of 42534250 is 5243524.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (42534251) 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, 4984 + ... + 10483.

It is an arithmetic number, because the mean of its divisors is an integer number (2714634).

Almost surely, 2^42534250 is an apocalyptic number.

42534250 is an abundant number, since it is smaller than the sum of its proper divisors (44334038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42534250 is a wasteful number, since it uses less digits than its factorization.

42534250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15495 (or 15485 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 42534250 is about 6521.8287312686. The cubic root of 42534250 is about 349.0703218695.

Adding to 42534250 its reverse (5243524), we get a palindrome (47777774).

The spelling of 42534250 in words is "forty-two million, five hundred thirty-four thousand, two hundred fifty".