534130421 has 6 divisors (see below), whose sum is σ = 587102166. Its totient is φ = 485573000.

The previous prime is 534130417. The next prime is 534130427. The reversal of 534130421 is 124031435.

It can be written as a sum of positive squares in only one way, i.e., 534118321 + 12100 = 23111^2 + 110^2 .

It is not a de Polignac number, because 534130421 - 2² = 534130417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534130427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2207030 + ... + 2207271.

It is an arithmetic number, because the mean of its divisors is an integer number (97850361).

Almost surely, 2^534130421 is an apocalyptic number.

It is an amenable number.

534130421 is a deficient number, since it is larger than the sum of its proper divisors (52971745).

534130421 is a wasteful number, since it uses less digits than its factorization.

534130421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4414323 (or 4414312 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 534130421 is about 23111.2617786221. The cubic root of 534130421 is about 811.3640689932.

Adding to 534130421 its reverse (124031435), we get a palindrome (658161856).

The spelling of 534130421 in words is "five hundred thirty-four million, one hundred thirty thousand, four hundred twenty-one".