442531254 has 16 divisors (see below), whose sum is σ = 965522880. Its totient is φ = 134100360.

The previous prime is 442531249. The next prime is 442531259. The reversal of 442531254 is 452135244.

It is an interprime number because it is at equal distance from previous prime (442531249) and next prime (442531259).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442531259) 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, 3352444 + ... + 3352575.

It is an arithmetic number, because the mean of its divisors is an integer number (60345180).

Almost surely, 2^442531254 is an apocalyptic number.

442531254 is an abundant number, since it is smaller than the sum of its proper divisors (522991626).

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

442531254 is a wasteful number, since it uses less digits than its factorization.

442531254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6705035.

The product of its digits is 19200, while the sum is 30.

The square root of 442531254 is about 21036.4268353730. The cubic root of 442531254 is about 762.0462251771.

Adding to 442531254 its reverse (452135244), we get a palindrome (894666498).

The spelling of 442531254 in words is "four hundred forty-two million, five hundred thirty-one thousand, two hundred fifty-four".