1513725 has 12 divisors (see below), whose sum is σ = 2502816. Its totient is φ = 807280.

The previous prime is 1513717. The next prime is 1513727. The reversal of 1513725 is 5273151.

It is not a de Polignac number, because 1513725 - 2³ = 1513717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1513695 and 1513704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513727) 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 11 ways as a sum of consecutive naturals, for example, 10017 + ... + 10166.

It is an arithmetic number, because the mean of its divisors is an integer number (208568).

2^1513725 is an apocalyptic number.

1513725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1513725 is a deficient number, since it is larger than the sum of its proper divisors (989091).

1513725 is a wasteful number, since it uses less digits than its factorization.

1513725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20196 (or 20191 counting only the distinct ones).

The product of its digits is 1050, while the sum is 24.

The square root of 1513725 is about 1230.3353201465. The cubic root of 1513725 is about 114.8195026092.

Adding to 1513725 its reverse (5273151), we get a palindrome (6786876).

The spelling of 1513725 in words is "one million, five hundred thirteen thousand, seven hundred twenty-five".