1514242391 has 2 divisors, whose sum is σ = 1514242392. Its totient is φ = 1514242390.

The previous prime is 1514242369. The next prime is 1514242393. The reversal of 1514242391 is 1932424151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1514242391 - 2¹⁰ = 1514241367 is a prime.

Together with 1514242393, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1514242393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 757121195 + 757121196.

It is an arithmetic number, because the mean of its divisors is an integer number (757121196).

Almost surely, 2^1514242391 is an apocalyptic number.

1514242391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1514242391 is an equidigital number, since it uses as much as digits as its factorization.

1514242391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 32.

The square root of 1514242391 is about 38913.2675446306. The cubic root of 1514242391 is about 1148.3258288249.

The spelling of 1514242391 in words is "one billion, five hundred fourteen million, two hundred forty-two thousand, three hundred ninety-one".