401613545 has 8 divisors (see below), whose sum is σ = 507301440. Its totient is φ = 304380720.

The previous prime is 401613523. The next prime is 401613551. The reversal of 401613545 is 545316104.

It is a happy number.

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

It is not a de Polignac number, because 401613545 - 2²² = 397419241 is a prime.

It is a super-2 number, since 2×401613545² = 322586879054934050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2113661 + ... + 2113850.

It is an arithmetic number, because the mean of its divisors is an integer number (63412680).

Almost surely, 2^401613545 is an apocalyptic number.

It is an amenable number.

401613545 is a deficient number, since it is larger than the sum of its proper divisors (105687895).

401613545 is a wasteful number, since it uses less digits than its factorization.

401613545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4227535.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 401613545 is about 20040.2980267260. The cubic root of 401613545 is about 737.7956956566.

Adding to 401613545 its reverse (545316104), we get a palindrome (946929649).

The spelling of 401613545 in words is "four hundred one million, six hundred thirteen thousand, five hundred forty-five".