1825142 has 16 divisors (see below), whose sum is σ = 3117312. Its totient is φ = 793320.

The previous prime is 1825141. The next prime is 1825157. The reversal of 1825142 is 2415281.

It is a super-2 number, since 2×1825142² = 6662286640328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1825141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1298 + ... + 2309.

It is an arithmetic number, because the mean of its divisors is an integer number (194832).

2^1825142 is an apocalyptic number.

1825142 is a deficient number, since it is larger than the sum of its proper divisors (1292170).

1825142 is a wasteful number, since it uses less digits than its factorization.

1825142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643.

The product of its digits is 640, while the sum is 23.

The square root of 1825142 is about 1350.9781641463. The cubic root of 1825142 is about 122.2077888680.

The spelling of 1825142 in words is "one million, eight hundred twenty-five thousand, one hundred forty-two".