1513241 has 4 divisors (see below), whose sum is σ = 1517184. Its totient is φ = 1509300.

The previous prime is 1513229. The next prime is 1513271. The reversal of 1513241 is 1423151.

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 1513241 - 2¹⁸ = 1251097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1513271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325 + ... + 2186.

It is an arithmetic number, because the mean of its divisors is an integer number (379296).

2^1513241 is an apocalyptic number.

It is an amenable number.

1513241 is a deficient number, since it is larger than the sum of its proper divisors (3943).

1513241 is an equidigital number, since it uses as much as digits as its factorization.

1513241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942.

The product of its digits is 120, while the sum is 17.

The square root of 1513241 is about 1230.1386100761. The cubic root of 1513241 is about 114.8072638024.

Adding to 1513241 its reverse (1423151), we get a palindrome (2936392).

The spelling of 1513241 in words is "one million, five hundred thirteen thousand, two hundred forty-one".