1525842 has 24 divisors (see below), whose sum is σ = 3342144. Its totient is φ = 503064.

The previous prime is 1525837. The next prime is 1525859. The reversal of 1525842 is 2485251.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1443 + ... + 2265.

It is an arithmetic number, because the mean of its divisors is an integer number (139256).

2^1525842 is an apocalyptic number.

1525842 is the 618-th decagonal number.

1525842 is an abundant number, since it is smaller than the sum of its proper divisors (1816302).

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

1525842 is a wasteful number, since it uses less digits than its factorization.

1525842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934 (or 931 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 1525842 is about 1235.2497723133. The cubic root of 1525842 is about 115.1250561456.

The spelling of 1525842 in words is "one million, five hundred twenty-five thousand, eight hundred forty-two".