2691325 has 36 divisors (see below), whose sum is σ = 4205460. Its totient is φ = 1703520.

The previous prime is 2691317. The next prime is 2691329. The reversal of 2691325 is 5231962.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

2691325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 2181529 + 509796 = 1477^2 + 714^2 .

It is not a de Polignac number, because 2691325 - 2³ = 2691317 is a prime.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 2691293 and 2691302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2691329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 207019 + ... + 207031.

2^2691325 is an apocalyptic number.

2691325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2691325 is a deficient number, since it is larger than the sum of its proper divisors (1514135).

2691325 is an equidigital number, since it uses as much as digits as its factorization.

2691325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63 (or 25 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 2691325 is about 1640.5258303361. The cubic root of 2691325 is about 139.0983724735.

The spelling of 2691325 in words is "two million, six hundred ninety-one thousand, three hundred twenty-five".