1525722 has 16 divisors (see below), whose sum is σ = 3328992. Its totient is φ = 462320.

The previous prime is 1525717. The next prime is 1525723. The reversal of 1525722 is 2275251.

It is a junction number, because it is equal to n+sod(n) for n = 1525692 and 1525701.

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 7 ways as a sum of consecutive naturals, for example, 11493 + ... + 11624.

It is an arithmetic number, because the mean of its divisors is an integer number (208062).

2^1525722 is an apocalyptic number.

1525722 is an abundant number, since it is smaller than the sum of its proper divisors (1803270).

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

1525722 is a wasteful number, since it uses less digits than its factorization.

1525722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23133.

The product of its digits is 1400, while the sum is 24.

The square root of 1525722 is about 1235.2011981859. The cubic root of 1525722 is about 115.1220380592.

The spelling of 1525722 in words is "one million, five hundred twenty-five thousand, seven hundred twenty-two".