1613403041 has 4 divisors (see below), whose sum is σ = 1613484612. Its totient is φ = 1613321472.

The previous prime is 1613403007. The next prime is 1613403059. The reversal of 1613403041 is 1403043161.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 523082641 + 1090320400 = 22871^2 + 33020^2 .

It is a cyclic number.

It is not a de Polignac number, because 1613403041 - 2⁶ = 1613402977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1613402998 and 1613403016.

It is not an unprimeable number, because it can be changed into a prime (1613403641) 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, 9785 + ... + 57641.

It is an arithmetic number, because the mean of its divisors is an integer number (403371153).

Almost surely, 2^1613403041 is an apocalyptic number.

It is an amenable number.

1613403041 is a deficient number, since it is larger than the sum of its proper divisors (81571).

1613403041 is an equidigital number, since it uses as much as digits as its factorization.

1613403041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81570.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1613403041 is about 40167.1886120998. The cubic root of 1613403041 is about 1172.8639122685.

The spelling of 1613403041 in words is "one billion, six hundred thirteen million, four hundred three thousand, forty-one".