1826540125 has 8 divisors (see below), whose sum is σ = 2279522232. Its totient is φ = 1461232000.

The previous prime is 1826540123. The next prime is 1826540143. The reversal of 1826540125 is 5210456281.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3481 + 1826536644 = 59^2 + 42738^2 .

It is not a de Polignac number, because 1826540125 - 2¹ = 1826540123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1826540123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7306036 + ... + 7306285.

It is an arithmetic number, because the mean of its divisors is an integer number (284940279).

Almost surely, 2^1826540125 is an apocalyptic number.

It is an amenable number.

1826540125 is a deficient number, since it is larger than the sum of its proper divisors (452982107).

1826540125 is an equidigital number, since it uses as much as digits as its factorization.

1826540125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14612336 (or 14612326 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 1826540125 is about 42738.0407248624. The cubic root of 1826540125 is about 1222.3898610355.

The spelling of 1826540125 in words is "one billion, eight hundred twenty-six million, five hundred forty thousand, one hundred twenty-five".