214053421 has 2 divisors, whose sum is σ = 214053422. Its totient is φ = 214053420.

The previous prime is 214053401. The next prime is 214053439. The reversal of 214053421 is 124350412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169364196 + 44689225 = 13014^2 + 6685^2 .

It is a cyclic number.

It is not a de Polignac number, because 214053421 - 2¹³ = 214045229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 214053392 and 214053401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214053401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107026710 + 107026711.

It is an arithmetic number, because the mean of its divisors is an integer number (107026711).

Almost surely, 2^214053421 is an apocalyptic number.

It is an amenable number.

214053421 is a deficient number, since it is larger than the sum of its proper divisors (1).

214053421 is an equidigital number, since it uses as much as digits as its factorization.

214053421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 214053421 is about 14630.5646165826. The cubic root of 214053421 is about 598.1921704282.

The spelling of 214053421 in words is "two hundred fourteen million, fifty-three thousand, four hundred twenty-one".