214700557 has 2 divisors, whose sum is σ = 214700558. Its totient is φ = 214700556.

The previous prime is 214700539. The next prime is 214700569. The reversal of 214700557 is 755007412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112063396 + 102637161 = 10586^2 + 10131^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214700557 is a prime.

It is a super-2 number, since 2×214700557² = 92192658352220498, which contains 22 as substring.

It is equal to p_11846560 and since 214700557 and 11846560 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214700527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107350278 + 107350279.

It is an arithmetic number, because the mean of its divisors is an integer number (107350279).

Almost surely, 2^214700557 is an apocalyptic number.

It is an amenable number.

214700557 is a deficient number, since it is larger than the sum of its proper divisors (1).

214700557 is an equidigital number, since it uses as much as digits as its factorization.

214700557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 214700557 is about 14652.6638192514. The cubic root of 214700557 is about 598.7943911718.

Adding to 214700557 its reverse (755007412), we get a palindrome (969707969).

The spelling of 214700557 in words is "two hundred fourteen million, seven hundred thousand, five hundred fifty-seven".