533955421 has 2 divisors, whose sum is σ = 533955422. Its totient is φ = 533955420.

The previous prime is 533955413. The next prime is 533955427. The reversal of 533955421 is 124559335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 362712025 + 171243396 = 19045^2 + 13086^2 .

It is a cyclic number.

It is not a de Polignac number, because 533955421 - 2³ = 533955413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (533955427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266977710 + 266977711.

It is an arithmetic number, because the mean of its divisors is an integer number (266977711).

Almost surely, 2^533955421 is an apocalyptic number.

It is an amenable number.

533955421 is a deficient number, since it is larger than the sum of its proper divisors (1).

533955421 is an equidigital number, since it uses as much as digits as its factorization.

533955421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81000, while the sum is 37.

The square root of 533955421 is about 23107.4754354516. The cubic root of 533955421 is about 811.2754488009.

The spelling of 533955421 in words is "five hundred thirty-three million, nine hundred fifty-five thousand, four hundred twenty-one".