401453 has 4 divisors (see below), whose sum is σ = 432348. Its totient is φ = 370560.

The previous prime is 401417. The next prime is 401473. The reversal of 401453 is 354104.

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 243049 + 158404 = 493^2 + 398^2 .

It is a cyclic number.

It is not a de Polignac number, because 401453 - 2¹⁰ = 400429 is a prime.

It is a super-2 number, since 2×401453² = 322329022418, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15428 + ... + 15453.

It is an arithmetic number, because the mean of its divisors is an integer number (108087).

2⁴⁰¹⁴⁵³ is an apocalyptic number.

It is an amenable number.

401453 is a deficient number, since it is larger than the sum of its proper divisors (30895).

401453 is a wasteful number, since it uses less digits than its factorization.

401453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30894.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 401453 is about 633.6031881233. The cubic root of 401453 is about 73.7697371286.

Adding to 401453 its reverse (354104), we get a palindrome (755557).

The spelling of 401453 in words is "four hundred one thousand, four hundred fifty-three".