401411501 has 2 divisors, whose sum is σ = 401411502. Its totient is φ = 401411500.

The previous prime is 401411459. The next prime is 401411509. The reversal of 401411501 is 105114104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 397204900 + 4206601 = 19930^2 + 2051^2 .

It is a cyclic number.

It is not a de Polignac number, because 401411501 - 2¹⁴ = 401395117 is a prime.

It is a super-2 number, since 2×401411501² = 322262386270146002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401411501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401411509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200705750 + 200705751.

It is an arithmetic number, because the mean of its divisors is an integer number (200705751).

Almost surely, 2^401411501 is an apocalyptic number.

It is an amenable number.

401411501 is a deficient number, since it is larger than the sum of its proper divisors (1).

401411501 is an equidigital number, since it uses as much as digits as its factorization.

401411501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 401411501 is about 20035.2564495691. The cubic root of 401411501 is about 737.6719513258.

Adding to 401411501 its reverse (105114104), we get a palindrome (506525605).

The spelling of 401411501 in words is "four hundred one million, four hundred eleven thousand, five hundred one".