2031525 has 18 divisors (see below), whose sum is σ = 3639090. Its totient is φ = 1083360.

The previous prime is 2031493. The next prime is 2031541. The reversal of 2031525 is 5251302.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 690561 + 1340964 = 831^2 + 1158^2 .

It is not a de Polignac number, because 2031525 - 2⁵ = 2031493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2031498 and 2031507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4290 + ... + 4739.

2^2031525 is an apocalyptic number.

2031525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2031525 is a deficient number, since it is larger than the sum of its proper divisors (1607565).

2031525 is a wasteful number, since it uses less digits than its factorization.

2031525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9045 (or 9037 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2031525 is about 1425.3157544909. The cubic root of 2031525 is about 126.6506404778.

Adding to 2031525 its reverse (5251302), we get a palindrome (7282827).

It can be divided in two parts, 2031 and 525, that added together give a triangular number (2556 = T₇₁).

The spelling of 2031525 in words is "two million, thirty-one thousand, five hundred twenty-five".