1525724 has 12 divisors (see below), whose sum is σ = 2710344. Its totient is φ = 751344.

The previous prime is 1525723. The next prime is 1525729. The reversal of 1525724 is 4275251.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1525693 and 1525702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1525723) 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, 2579 + ... + 3114.

It is an arithmetic number, because the mean of its divisors is an integer number (225862).

2^1525724 is an apocalyptic number.

It is an amenable number.

1525724 is a deficient number, since it is larger than the sum of its proper divisors (1184620).

1525724 is a wasteful number, since it uses less digits than its factorization.

1525724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5764 (or 5762 counting only the distinct ones).

The product of its digits is 2800, while the sum is 26.

The square root of 1525724 is about 1235.2020077704. The cubic root of 1525724 is about 115.1220883619.

The spelling of 1525724 in words is "one million, five hundred twenty-five thousand, seven hundred twenty-four".