1613200401 has 8 divisors (see below), whose sum is σ = 2389926560. Its totient is φ = 1075466916.

The previous prime is 1613200387. The next prime is 1613200409. The reversal of 1613200401 is 1040023161.

It is a happy number.

1613200401 is a `hidden beast` number, since 1 + 61 + 3 + 200 + 401 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1613200401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1613200409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29874055 + ... + 29874108.

It is an arithmetic number, because the mean of its divisors is an integer number (298740820).

Almost surely, 2^1613200401 is an apocalyptic number.

It is an amenable number.

1613200401 is a deficient number, since it is larger than the sum of its proper divisors (776726159).

1613200401 is an equidigital number, since it uses as much as digits as its factorization.

1613200401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59748172 (or 59748166 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1613200401 is about 40164.6660760425. Note that the first 3 decimals coincide. The cubic root of 1613200401 is about 1172.8148071394.

Adding to 1613200401 its reverse (1040023161), we get a palindrome (2653223562).

The spelling of 1613200401 in words is "one billion, six hundred thirteen million, two hundred thousand, four hundred one".