1513242 has 20 divisors (see below), whose sum is σ = 3391146. Its totient is φ = 504360.

The previous prime is 1513229. The next prime is 1513271. The reversal of 1513242 is 2423151.

It can be written as a sum of positive squares in only one way, i.e., 1390041 + 123201 = 1179^2 + 351^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 4509 + ... + 4832.

2^1513242 is an apocalyptic number.

1513242 is an abundant number, since it is smaller than the sum of its proper divisors (1877904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1513242 is an equidigital number, since it uses as much as digits as its factorization.

1513242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9355 (or 9346 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 1513242 is about 1230.1390165343. The cubic root of 1513242 is about 114.8072890919.

Adding to 1513242 its reverse (2423151), we get a palindrome (3936393).

Subtracting 1513242 from its reverse (2423151), we obtain a palindrome (909909).

The spelling of 1513242 in words is "one million, five hundred thirteen thousand, two hundred forty-two".