401053253 has 4 divisors (see below), whose sum is σ = 402243660. Its totient is φ = 399862848.

The previous prime is 401053243. The next prime is 401053283. The reversal of 401053253 is 352350104.

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 98049604 + 303003649 = 9902^2 + 17407^2 .

It is a cyclic number.

It is not a de Polignac number, because 401053253 - 2⁶ = 401053189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401053243) 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 3 ways as a sum of consecutive naturals, for example, 594698 + ... + 595371.

It is an arithmetic number, because the mean of its divisors is an integer number (100560915).

Almost surely, 2^401053253 is an apocalyptic number.

It is an amenable number.

401053253 is a deficient number, since it is larger than the sum of its proper divisors (1190407).

401053253 is a wasteful number, since it uses less digits than its factorization.

401053253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190406.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 401053253 is about 20026.3140143163. The cubic root of 401053253 is about 737.4524358102.

The spelling of 401053253 in words is "four hundred one million, fifty-three thousand, two hundred fifty-three".