214237457 has 8 divisors (see below), whose sum is σ = 249840000. Its totient is φ = 183631812.

The previous prime is 214237447. The next prime is 214237469. The reversal of 214237457 is 754732412.

It is not a de Polignac number, because 214237457 - 2¹⁰ = 214236433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214237427) 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, 311957 + ... + 312642.

It is an arithmetic number, because the mean of its divisors is an integer number (31230000).

Almost surely, 2^214237457 is an apocalyptic number.

It is an amenable number.

214237457 is a deficient number, since it is larger than the sum of its proper divisors (35602543).

214237457 is an frugal number, since it uses more digits than its factorization.

214237457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624620 (or 624606 counting only the distinct ones).

The product of its digits is 47040, while the sum is 35.

The square root of 214237457 is about 14636.8527013153. The cubic root of 214237457 is about 598.3635565532.

Adding to 214237457 its reverse (754732412), we get a palindrome (968969869).

The spelling of 214237457 in words is "two hundred fourteen million, two hundred thirty-seven thousand, four hundred fifty-seven".