1513963 has 4 divisors (see below), whose sum is σ = 1651608. Its totient is φ = 1376320.

The previous prime is 1513957. The next prime is 1513973. The reversal of 1513963 is 3693151.

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

It is not a de Polignac number, because 1513963 - 2¹⁷ = 1382891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1513913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68806 + ... + 68827.

It is an arithmetic number, because the mean of its divisors is an integer number (412902).

2^1513963 is an apocalyptic number.

1513963 is a deficient number, since it is larger than the sum of its proper divisors (137645).

1513963 is a wasteful number, since it uses less digits than its factorization.

1513963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137644.

The product of its digits is 2430, while the sum is 28.

The square root of 1513963 is about 1230.4320379444. The cubic root of 1513963 is about 114.8255199086.

It can be divided in two parts, 151 and 3963, that added together give a palindrome (4114).

The spelling of 1513963 in words is "one million, five hundred thirteen thousand, nine hundred sixty-three".