1345421083 has 2 divisors, whose sum is σ = 1345421084. Its totient is φ = 1345421082.

The previous prime is 1345421081. The next prime is 1345421131. The reversal of 1345421083 is 3801245431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1345421083 - 2¹ = 1345421081 is a prime.

Together with 1345421081, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1345421081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672710541 + 672710542.

It is an arithmetic number, because the mean of its divisors is an integer number (672710542).

Almost surely, 2^1345421083 is an apocalyptic number.

1345421083 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345421083 is an equidigital number, since it uses as much as digits as its factorization.

1345421083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1345421083 is about 36679.9820474329. The cubic root of 1345421083 is about 1103.9584879349.

The spelling of 1345421083 in words is "one billion, three hundred forty-five million, four hundred twenty-one thousand, eighty-three".