1342522891 has 2 divisors, whose sum is σ = 1342522892. Its totient is φ = 1342522890.

The previous prime is 1342522877. The next prime is 1342522939. The reversal of 1342522891 is 1982252431.

It is a weak prime.

It is an emirp because it is prime and its reverse (1982252431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1342522891 - 2¹³ = 1342514699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1342522891.

It is not a weakly prime, because it can be changed into another prime (1342522801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671261445 + 671261446.

It is an arithmetic number, because the mean of its divisors is an integer number (671261446).

Almost surely, 2^1342522891 is an apocalyptic number.

1342522891 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342522891 is an equidigital number, since it uses as much as digits as its factorization.

1342522891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 37.

The square root of 1342522891 is about 36640.4542957644. The cubic root of 1342522891 is about 1103.1652334899.

The spelling of 1342522891 in words is "one billion, three hundred forty-two million, five hundred twenty-two thousand, eight hundred ninety-one".