401251403 has 8 divisors (see below), whose sum is σ = 459383520. Its totient is φ = 343321920.

The previous prime is 401251343. The next prime is 401251451. The reversal of 401251403 is 304152104.

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

It is a cyclic number.

It is not a de Polignac number, because 401251403 - 2¹⁴ = 401235019 is a prime.

It is a super-2 number, since 2×401251403² = 322005376818936818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401251483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46388 + ... + 54353.

It is an arithmetic number, because the mean of its divisors is an integer number (57422940).

Almost surely, 2^401251403 is an apocalyptic number.

401251403 is a deficient number, since it is larger than the sum of its proper divisors (58132117).

401251403 is a wasteful number, since it uses less digits than its factorization.

401251403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101317.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 401251403 is about 20031.2606443029. The cubic root of 401251403 is about 737.5738678477.

The spelling of 401251403 in words is "four hundred one million, two hundred fifty-one thousand, four hundred three".