401425105 has 8 divisors (see below), whose sum is σ = 498321000. Its totient is φ = 310066176.

The previous prime is 401425069. The next prime is 401425109. The reversal of 401425105 is 501524104.

It can be written as a sum of positive squares in 4 ways, for example, as 1065024 + 400360081 = 1032^2 + 20009^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401425105 is a prime.

It is a super-2 number, since 2×401425105² = 322284229848522050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401425109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1384080 + ... + 1384369.

It is an arithmetic number, because the mean of its divisors is an integer number (62290125).

Almost surely, 2^401425105 is an apocalyptic number.

It is an amenable number.

401425105 is a deficient number, since it is larger than the sum of its proper divisors (96895895).

401425105 is a wasteful number, since it uses less digits than its factorization.

401425105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768483.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 401425105 is about 20035.5959482118. The cubic root of 401425105 is about 737.6802845664.

Adding to 401425105 its reverse (501524104), we get a palindrome (902949209).

The spelling of 401425105 in words is "four hundred one million, four hundred twenty-five thousand, one hundred five".