1825742 has 4 divisors (see below), whose sum is σ = 2738616. Its totient is φ = 912870.

The previous prime is 1825739. The next prime is 1825757. The reversal of 1825742 is 2475281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2475281 = 109 ⋅22709.

It is a super-4 number, since 4×1825742⁴ (a number of 26 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456434 + ... + 456437.

It is an arithmetic number, because the mean of its divisors is an integer number (684654).

2^1825742 is an apocalyptic number.

1825742 is a deficient number, since it is larger than the sum of its proper divisors (912874).

1825742 is an equidigital number, since it uses as much as digits as its factorization.

1825742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912873.

The product of its digits is 4480, while the sum is 29.

The square root of 1825742 is about 1351.2002072232. The cubic root of 1825742 is about 122.2211789932.

The spelling of 1825742 in words is "one million, eight hundred twenty-five thousand, seven hundred forty-two".