1520493 has 12 divisors (see below), whose sum is σ = 2196000. Its totient is φ = 935376.

The previous prime is 1520483. The next prime is 1520501. The reversal of 1520493 is 3940251.

It is not a de Polignac number, because 1520493 - 2¹² = 1516397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520423) 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 in 11 ways as a sum of consecutive naturals, for example, 993 + ... + 2006.

It is an arithmetic number, because the mean of its divisors is an integer number (183000).

2^1520493 is an apocalyptic number.

1520493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1520493 is a deficient number, since it is larger than the sum of its proper divisors (675507).

1520493 is a wasteful number, since it uses less digits than its factorization.

1520493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028 (or 3015 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1520493 is about 1233.0827222859. The cubic root of 1520493 is about 114.9903709644.

The spelling of 1520493 in words is "one million, five hundred twenty thousand, four hundred ninety-three".