401610613 has 8 divisors (see below), whose sum is σ = 420418368. Its totient is φ = 382915104.

The previous prime is 401610569. The next prime is 401610637. The reversal of 401610613 is 316016104.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401610613 - 2⁹ = 401610101 is a prime.

It is a super-2 number, since 2×401610613² = 322582168948471538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401610113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20695 + ... + 35092.

It is an arithmetic number, because the mean of its divisors is an integer number (52552296).

Almost surely, 2^401610613 is an apocalyptic number.

It is an amenable number.

401610613 is a deficient number, since it is larger than the sum of its proper divisors (18807755).

401610613 is a wasteful number, since it uses less digits than its factorization.

401610613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56123.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 401610613 is about 20040.2248739878. The cubic root of 401610613 is about 737.7939002140.

Adding to 401610613 its reverse (316016104), we get a palindrome (717626717).

The spelling of 401610613 in words is "four hundred one million, six hundred ten thousand, six hundred thirteen".