1826403241 has 4 divisors (see below), whose sum is σ = 1966895812. Its totient is φ = 1685910672.

The previous prime is 1826403239. The next prime is 1826403247. The reversal of 1826403241 is 1423046281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1423046281 = 641 ⋅2220041.

It can be written as a sum of positive squares in 2 ways, for example, as 503553600 + 1322849641 = 22440^2 + 36371^2 .

It is a cyclic number.

It is not a de Polignac number, because 1826403241 - 2¹ = 1826403239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1826403247) 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, 70246266 + ... + 70246291.

It is an arithmetic number, because the mean of its divisors is an integer number (491723953).

Almost surely, 2^1826403241 is an apocalyptic number.

It is an amenable number.

1826403241 is a deficient number, since it is larger than the sum of its proper divisors (140492571).

1826403241 is a wasteful number, since it uses less digits than its factorization.

1826403241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140492570.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 1826403241 is about 42736.4392644029. The cubic root of 1826403241 is about 1222.3593242861.

The spelling of 1826403241 in words is "one billion, eight hundred twenty-six million, four hundred three thousand, two hundred forty-one".