401251233 has 16 divisors (see below), whose sum is σ = 539784000. Its totient is φ = 265120320.

The previous prime is 401251231. The next prime is 401251241. The reversal of 401251233 is 332152104.

It is not a de Polignac number, because 401251233 - 2¹ = 401251231 is a prime.

It is a super-2 number, since 2×401251233² = 322005103968040578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401251231) 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 15 ways as a sum of consecutive naturals, for example, 186343 + ... + 188483.

It is an arithmetic number, because the mean of its divisors is an integer number (33736500).

Almost surely, 2^401251233 is an apocalyptic number.

It is an amenable number.

401251233 is a deficient number, since it is larger than the sum of its proper divisors (138532767).

401251233 is a wasteful number, since it uses less digits than its factorization.

401251233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 401251233 is about 20031.2564009350. The cubic root of 401251233 is about 737.5737636840.

The spelling of 401251233 in words is "four hundred one million, two hundred fifty-one thousand, two hundred thirty-three".