34538431 has 2 divisors, whose sum is σ = 34538432. Its totient is φ = 34538430.

The previous prime is 34538429. The next prime is 34538437. The reversal of 34538431 is 13483543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34538431 - 2¹ = 34538429 is a prime.

It is a super-2 number, since 2×34538431² = 2385806431883522, which contains 22 as substring.

Together with 34538429, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 34538393 and 34538402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34538437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17269215 + 17269216.

It is an arithmetic number, because the mean of its divisors is an integer number (17269216).

Almost surely, 2^34538431 is an apocalyptic number.

34538431 is a deficient number, since it is larger than the sum of its proper divisors (1).

34538431 is an equidigital number, since it uses as much as digits as its factorization.

34538431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 31.

The square root of 34538431 is about 5876.9406156605. The cubic root of 34538431 is about 325.6623368413.

It can be divided in two parts, 34538 and 431, that added together give a square (34969 = 187²).

The spelling of 34538431 in words is "thirty-four million, five hundred thirty-eight thousand, four hundred thirty-one".