1351461539 has 2 divisors, whose sum is σ = 1351461540. Its totient is φ = 1351461538.

The previous prime is 1351461511. The next prime is 1351461569. The reversal of 1351461539 is 9351641531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1351461539 - 2²⁰ = 1350412963 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1351461569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675730769 + 675730770.

It is an arithmetic number, because the mean of its divisors is an integer number (675730770).

Almost surely, 2^1351461539 is an apocalyptic number.

1351461539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351461539 is an equidigital number, since it uses as much as digits as its factorization.

1351461539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 38.

The square root of 1351461539 is about 36762.2297881943. The cubic root of 1351461539 is about 1105.6081469112.

The spelling of 1351461539 in words is "one billion, three hundred fifty-one million, four hundred sixty-one thousand, five hundred thirty-nine".