401261333 has 4 divisors (see below), whose sum is σ = 437739648. Its totient is φ = 364783020.

The previous prime is 401261327. The next prime is 401261339. The reversal of 401261333 is 333162104.

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 an interprime number because it is at equal distance from previous prime (401261327) and next prime (401261339).

It is a cyclic number.

It is not a de Polignac number, because 401261333 - 2¹⁰ = 401260309 is a prime.

It is a super-2 number, since 2×401261333² = 322021314721873778, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 401261299 and 401261308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401261339) 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, 18239141 + ... + 18239162.

It is an arithmetic number, because the mean of its divisors is an integer number (109434912).

Almost surely, 2^401261333 is an apocalyptic number.

It is an amenable number.

401261333 is a deficient number, since it is larger than the sum of its proper divisors (36478315).

401261333 is a wasteful number, since it uses less digits than its factorization.

401261333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36478314.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 401261333 is about 20031.5085053523. The cubic root of 401261333 is about 737.5799521863.

The spelling of 401261333 in words is "four hundred one million, two hundred sixty-one thousand, three hundred thirty-three".