1505233 has 4 divisors (see below), whose sum is σ = 1541988. Its totient is φ = 1468480.

The previous prime is 1505227. The next prime is 1505243. The reversal of 1505233 is 3325051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 627264 + 877969 = 792^2 + 937^2 .

It is a cyclic number.

It is not a de Polignac number, because 1505233 - 2⁵ = 1505201 is a prime.

It is a Duffinian number.

1505233 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1505233.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1505243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18316 + ... + 18397.

It is an arithmetic number, because the mean of its divisors is an integer number (385497).

2^1505233 is an apocalyptic number.

It is an amenable number.

1505233 is a deficient number, since it is larger than the sum of its proper divisors (36755).

1505233 is an equidigital number, since it uses as much as digits as its factorization.

1505233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36754.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 1505233 is about 1226.8793746738. The cubic root of 1505233 is about 114.6043873011.

The spelling of 1505233 in words is "one million, five hundred five thousand, two hundred thirty-three".