534454421 has 2 divisors, whose sum is σ = 534454422. Its totient is φ = 534454420.

The previous prime is 534454339. The next prime is 534454423. The reversal of 534454421 is 124454435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 448168900 + 86285521 = 21170^2 + 9289^2 .

It is a cyclic number.

It is not a de Polignac number, because 534454421 - 2²² = 530260117 is a prime.

Together with 534454423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (534454423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267227210 + 267227211.

It is an arithmetic number, because the mean of its divisors is an integer number (267227211).

Almost surely, 2^534454421 is an apocalyptic number.

It is an amenable number.

534454421 is a deficient number, since it is larger than the sum of its proper divisors (1).

534454421 is an equidigital number, since it uses as much as digits as its factorization.

534454421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38400, while the sum is 32.

The square root of 534454421 is about 23118.2702856420. The cubic root of 534454421 is about 811.5280918683.

The spelling of 534454421 in words is "five hundred thirty-four million, four hundred fifty-four thousand, four hundred twenty-one".