2140525 has 6 divisors (see below), whose sum is σ = 2654282. Its totient is φ = 1712400.

The previous prime is 2140517. The next prime is 2140531. The reversal of 2140525 is 5250412.

It can be written as a sum of positive squares in 3 ways, for example, as 509796 + 1630729 = 714^2 + 1277^2 .

It is not a de Polignac number, because 2140525 - 2³ = 2140517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42786 + ... + 42835.

2^2140525 is an apocalyptic number.

2140525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2140525 is a deficient number, since it is larger than the sum of its proper divisors (513757).

2140525 is an equidigital number, since it uses as much as digits as its factorization.

2140525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85631 (or 85626 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2140525 is about 1463.0533141345. The cubic root of 2140525 is about 128.8764114898.

Adding to 2140525 its reverse (5250412), we get a palindrome (7390937).

The spelling of 2140525 in words is "two million, one hundred forty thousand, five hundred twenty-five".