401260543 has 4 divisors (see below), whose sum is σ = 401963848. Its totient is φ = 400557240.

The previous prime is 401260511. The next prime is 401260549. The reversal of 401260543 is 345062104.

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

It is a cyclic number.

It is not a de Polignac number, because 401260543 - 2⁵ = 401260511 is a prime.

It is a super-2 number, since 2×401260543² = 322020046737309698, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401260549) 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, 350796 + ... + 351937.

It is an arithmetic number, because the mean of its divisors is an integer number (100490962).

Almost surely, 2^401260543 is an apocalyptic number.

401260543 is a deficient number, since it is larger than the sum of its proper divisors (703305).

401260543 is an equidigital number, since it uses as much as digits as its factorization.

401260543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703304.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 401260543 is about 20031.4887864083. The cubic root of 401260543 is about 737.5794681388.

The spelling of 401260543 in words is "four hundred one million, two hundred sixty thousand, five hundred forty-three".