401361361 has 4 divisors (see below), whose sum is σ = 402652224. Its totient is φ = 400070500.

The previous prime is 401361349. The next prime is 401361383. The reversal of 401361361 is 163163104.

It is a happy number.

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 not a de Polignac number, because 401361361 - 2⁵ = 401361329 is a prime.

It is a super-2 number, since 2×401361361² = 322181884207544642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401361391) 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, 644965 + ... + 645586.

It is an arithmetic number, because the mean of its divisors is an integer number (100663056).

Almost surely, 2^401361361 is an apocalyptic number.

It is an amenable number.

401361361 is a deficient number, since it is larger than the sum of its proper divisors (1290863).

401361361 is a wasteful number, since it uses less digits than its factorization.

401361361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290862.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 401361361 is about 20034.0051163016. The cubic root of 401361361 is about 737.6412360360.

The spelling of 401361361 in words is "four hundred one million, three hundred sixty-one thousand, three hundred sixty-one".