401254361 has 4 divisors (see below), whose sum is σ = 408825252. Its totient is φ = 393683472.

The previous prime is 401254333. The next prime is 401254367. The reversal of 401254361 is 163452104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 143041600 + 258212761 = 11960^2 + 16069^2 .

It is a cyclic number.

It is not a de Polignac number, because 401254361 - 2²² = 397060057 is a prime.

It is a super-2 number, since 2×401254361² = 322010124443036642, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 401254361.

It is not an unprimeable number, because it can be changed into a prime (401254367) 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 3 ways as a sum of consecutive naturals, for example, 3785366 + ... + 3785471.

It is an arithmetic number, because the mean of its divisors is an integer number (102206313).

Almost surely, 2^401254361 is an apocalyptic number.

It is an amenable number.

401254361 is a deficient number, since it is larger than the sum of its proper divisors (7570891).

401254361 is an equidigital number, since it uses as much as digits as its factorization.

401254361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7570890.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 401254361 is about 20031.3344787610. The cubic root of 401254361 is about 737.5756802926.

The spelling of 401254361 in words is "four hundred one million, two hundred fifty-four thousand, three hundred sixty-one".