1505213 has 4 divisors (see below), whose sum is σ = 1508928. Its totient is φ = 1501500.

The previous prime is 1505209. The next prime is 1505227. The reversal of 1505213 is 3125051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1505213 - 2² = 1505209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1505191 and 1505200.

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, 1163 + ... + 2088.

It is an arithmetic number, because the mean of its divisors is an integer number (377232).

2^1505213 is an apocalyptic number.

It is an amenable number.

1505213 is a deficient number, since it is larger than the sum of its proper divisors (3715).

1505213 is an equidigital number, since it uses as much as digits as its factorization.

1505213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3714.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 1505213 is about 1226.8712238862. The cubic root of 1505213 is about 114.6038797168.

The spelling of 1505213 in words is "one million, five hundred five thousand, two hundred thirteen".