401012485 has 4 divisors (see below), whose sum is σ = 481214988. Its totient is φ = 320809984.

The previous prime is 401012483. The next prime is 401012503. The reversal of 401012485 is 584210104.

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 75498721 + 325513764 = 8689^2 + 18042^2 .

It is a cyclic number.

It is not a de Polignac number, because 401012485 - 2¹ = 401012483 is a prime.

It is a super-2 number, since 2×401012485² = 321622026251750450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401012483) 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, 40101244 + ... + 40101253.

It is an arithmetic number, because the mean of its divisors is an integer number (120303747).

Almost surely, 2^401012485 is an apocalyptic number.

It is an amenable number.

401012485 is a deficient number, since it is larger than the sum of its proper divisors (80202503).

401012485 is an equidigital number, since it uses as much as digits as its factorization.

401012485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80202502.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 401012485 is about 20025.2961276482. The cubic root of 401012485 is about 737.4274470425.

Adding to 401012485 its reverse (584210104), we get a palindrome (985222589).

The spelling of 401012485 in words is "four hundred one million, twelve thousand, four hundred eighty-five".