1520359 has 2 divisors, whose sum is σ = 1520360. Its totient is φ = 1520358.

The previous prime is 1520357. The next prime is 1520381. The reversal of 1520359 is 9530251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1520359 - 2¹ = 1520357 is a prime.

It is a super-2 number, since 2×1520359² = 4622982977762, which contains 22 as substring.

Together with 1520357, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1520357) 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, 760179 + 760180.

It is an arithmetic number, because the mean of its divisors is an integer number (760180).

2^1520359 is an apocalyptic number.

1520359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1520359 is an equidigital number, since it uses as much as digits as its factorization.

1520359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 1520359 is about 1233.0283857235. The cubic root of 1520359 is about 114.9869928578.

The spelling of 1520359 in words is "one million, five hundred twenty thousand, three hundred fifty-nine".