2534553421 has 2 divisors, whose sum is σ = 2534553422. Its totient is φ = 2534553420.

The previous prime is 2534553419. The next prime is 2534553493. The reversal of 2534553421 is 1243554352.

2534553421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1837065321 + 697488100 = 42861^2 + 26410^2 .

It is a cyclic number.

It is not a de Polignac number, because 2534553421 - 2¹ = 2534553419 is a prime.

It is a super-2 number, since 2×2534553421² = 12847922087805606482, which contains 22 as substring.

Together with 2534553419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2534553221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1267276710 + 1267276711.

It is an arithmetic number, because the mean of its divisors is an integer number (1267276711).

Almost surely, 2^2534553421 is an apocalyptic number.

It is an amenable number.

2534553421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2534553421 is an equidigital number, since it uses as much as digits as its factorization.

2534553421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72000, while the sum is 34.

The square root of 2534553421 is about 50344.3484514399. The cubic root of 2534553421 is about 1363.4330475798.

The spelling of 2534553421 in words is "two billion, five hundred thirty-four million, five hundred fifty-three thousand, four hundred twenty-one".