1530263 has 8 divisors (see below), whose sum is σ = 1774080. Its totient is φ = 1292760.

The previous prime is 1530233. The next prime is 1530281. The reversal of 1530263 is 3620351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1530263 - 2¹² = 1526167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530233) 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 7 ways as a sum of consecutive naturals, for example, 1043 + ... + 2036.

It is an arithmetic number, because the mean of its divisors is an integer number (221760).

2^1530263 is an apocalyptic number.

1530263 is a deficient number, since it is larger than the sum of its proper divisors (243817).

1530263 is an equidigital number, since it uses as much as digits as its factorization.

1530263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1530263 is about 1237.0379945661. The cubic root of 1530263 is about 115.2361373495.

The spelling of 1530263 in words is "one million, five hundred thirty thousand, two hundred sixty-three".