214542520 has 32 divisors (see below), whose sum is σ = 487159200. Its totient is φ = 85027968.

The previous prime is 214542491. The next prime is 214542557. The reversal of 214542520 is 25245412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20244 + ... + 28963.

It is an arithmetic number, because the mean of its divisors is an integer number (15223725).

Almost surely, 2^214542520 is an apocalyptic number.

214542520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214542520 is an abundant number, since it is smaller than the sum of its proper divisors (272616680).

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

214542520 is a wasteful number, since it uses less digits than its factorization.

214542520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49327 (or 49323 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 214542520 is about 14647.2700528119. The cubic root of 214542520 is about 598.6474347179.

Adding to 214542520 its reverse (25245412), we get a palindrome (239787932).

The spelling of 214542520 in words is "two hundred fourteen million, five hundred forty-two thousand, five hundred twenty".