401133461 has 4 divisors (see below), whose sum is σ = 401208000. Its totient is φ = 401058924.

The previous prime is 401133379. The next prime is 401133487. The reversal of 401133461 is 164331104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401133461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401153461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28511 + ... + 40188.

It is an arithmetic number, because the mean of its divisors is an integer number (100302000).

Almost surely, 2^401133461 is an apocalyptic number.

It is an amenable number.

401133461 is a deficient number, since it is larger than the sum of its proper divisors (74539).

401133461 is an equidigital number, since it uses as much as digits as its factorization.

401133461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74538.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 401133461 is about 20028.3164794248. The cubic root of 401133461 is about 737.5015944043.

Adding to 401133461 its reverse (164331104), we get a palindrome (565464565).

The spelling of 401133461 in words is "four hundred one million, one hundred thirty-three thousand, four hundred sixty-one".