214559641 has 2 divisors, whose sum is σ = 214559642. Its totient is φ = 214559640.

The previous prime is 214559599. The next prime is 214559651. The reversal of 214559641 is 146955412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129846025 + 84713616 = 11395^2 + 9204^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214559641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214559641.

It is not a weakly prime, because it can be changed into another prime (214559651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107279820 + 107279821.

It is an arithmetic number, because the mean of its divisors is an integer number (107279821).

Almost surely, 2^214559641 is an apocalyptic number.

It is an amenable number.

214559641 is a deficient number, since it is larger than the sum of its proper divisors (1).

214559641 is an equidigital number, since it uses as much as digits as its factorization.

214559641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 37.

The square root of 214559641 is about 14647.8544845312. The cubic root of 214559641 is about 598.6633587875.

The spelling of 214559641 in words is "two hundred fourteen million, five hundred fifty-nine thousand, six hundred forty-one".