2142485 has 12 divisors (see below), whose sum is σ = 2650788. Its totient is φ = 1662336.

The previous prime is 2142463. The next prime is 2142499. The reversal of 2142485 is 5842412.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2116 + 2140369 = 46^2 + 1463^2 .

It is not a de Polignac number, because 2142485 - 2⁸ = 2142229 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent 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, 6689 + ... + 7001.

It is an arithmetic number, because the mean of its divisors is an integer number (220899).

2^2142485 is an apocalyptic number.

It is an amenable number.

2142485 is a deficient number, since it is larger than the sum of its proper divisors (508303).

2142485 is an equidigital number, since it uses as much as digits as its factorization.

2142485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 355 counting only the distinct ones).

The product of its digits is 2560, while the sum is 26.

The square root of 2142485 is about 1463.7229929191. The cubic root of 2142485 is about 128.9157352861.

Adding to 2142485 its reverse (5842412), we get a palindrome (7984897).

The spelling of 2142485 in words is "two million, one hundred forty-two thousand, four hundred eighty-five".