214043477 has 2 divisors, whose sum is σ = 214043478. Its totient is φ = 214043476.

The previous prime is 214043429. The next prime is 214043491. The reversal of 214043477 is 774340412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115756081 + 98287396 = 10759^2 + 9914^2 .

It is a cyclic number.

It is not a de Polignac number, because 214043477 - 2¹² = 214039381 is a prime.

It is a super-2 number, since 2×214043477² = 91629220092499058, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214043077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107021738 + 107021739.

It is an arithmetic number, because the mean of its divisors is an integer number (107021739).

Almost surely, 2^214043477 is an apocalyptic number.

It is an amenable number.

214043477 is a deficient number, since it is larger than the sum of its proper divisors (1).

214043477 is an equidigital number, since it uses as much as digits as its factorization.

214043477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 214043477 is about 14630.2247761270. The cubic root of 214043477 is about 598.1829071408.

Adding to 214043477 its reverse (774340412), we get a palindrome (988383889).

The spelling of 214043477 in words is "two hundred fourteen million, forty-three thousand, four hundred seventy-seven".