401315061 has 16 divisors (see below), whose sum is σ = 628056704. Its totient is φ = 223124544.

The previous prime is 401315053. The next prime is 401315077. The reversal of 401315061 is 160513104.

It is not a de Polignac number, because 401315061 - 2³ = 401315053 is a prime.

It is a super-2 number, since 2×401315061² = 322107556370867442, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401315041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257470 + ... + 259023.

It is an arithmetic number, because the mean of its divisors is an integer number (39253544).

Almost surely, 2^401315061 is an apocalyptic number.

It is an amenable number.

401315061 is a deficient number, since it is larger than the sum of its proper divisors (226741643).

401315061 is a wasteful number, since it uses less digits than its factorization.

401315061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516540.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 401315061 is about 20032.8495476804. The cubic root of 401315061 is about 737.6128708221.

Adding to 401315061 its reverse (160513104), we get a palindrome (561828165).

The spelling of 401315061 in words is "four hundred one million, three hundred fifteen thousand, sixty-one".