1505113 has 4 divisors (see below), whose sum is σ = 1508580. Its totient is φ = 1501648.

The previous prime is 1505111. The next prime is 1505117. The reversal of 1505113 is 3115051.

1505113 = 867² + 868².

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 751689 + 753424 = 867^2 + 868^2 .

It is a cyclic number.

It is not a de Polignac number, because 1505113 - 2¹ = 1505111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1505111) 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, 970 + ... + 1987.

It is an arithmetic number, because the mean of its divisors is an integer number (377145).

2^1505113 is an apocalyptic number.

1505113 is the 868-th centered square number.

It is an amenable number.

1505113 is a deficient number, since it is larger than the sum of its proper divisors (3467).

1505113 is an equidigital number, since it uses as much as digits as its factorization.

1505113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3466.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 1505113 is about 1226.8304691358. The cubic root of 1505113 is about 114.6013417279.

The spelling of 1505113 in words is "one million, five hundred five thousand, one hundred thirteen".