1520414459 has 2 divisors, whose sum is σ = 1520414460. Its totient is φ = 1520414458.

The previous prime is 1520414449. The next prime is 1520414461. The reversal of 1520414459 is 9544140251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1520414459 - 2⁴ = 1520414443 is a prime.

Together with 1520414461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1520414429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760207229 + 760207230.

It is an arithmetic number, because the mean of its divisors is an integer number (760207230).

Almost surely, 2^1520414459 is an apocalyptic number.

1520414459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1520414459 is an equidigital number, since it uses as much as digits as its factorization.

1520414459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 1520414459 is about 38992.4923414752. The cubic root of 1520414459 is about 1149.8839098944.

The spelling of 1520414459 in words is "one billion, five hundred twenty million, four hundred fourteen thousand, four hundred fifty-nine".