1828725113 has 4 divisors (see below), whose sum is σ = 1871253648. Its totient is φ = 1786196580.

The previous prime is 1828725083. The next prime is 1828725121. The reversal of 1828725113 is 3115278281.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1828725113 - 2⁶ = 1828725049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1828725163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21264203 + ... + 21264288.

It is an arithmetic number, because the mean of its divisors is an integer number (467813412).

Almost surely, 2^1828725113 is an apocalyptic number.

It is an amenable number.

1828725113 is a deficient number, since it is larger than the sum of its proper divisors (42528535).

1828725113 is an equidigital number, since it uses as much as digits as its factorization.

1828725113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42528534.

The product of its digits is 26880, while the sum is 38.

The square root of 1828725113 is about 42763.5956509740. The cubic root of 1828725113 is about 1222.8770923915.

The spelling of 1828725113 in words is "one billion, eight hundred twenty-eight million, seven hundred twenty-five thousand, one hundred thirteen".