401497 has 4 divisors (see below), whose sum is σ = 403920. Its totient is φ = 399076.

The previous prime is 401477. The next prime is 401507. The reversal of 401497 is 794104.

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 a cyclic number.

It is not a de Polignac number, because 401497 - 2¹⁵ = 368729 is a prime.

It is a super-2 number, since 2×401497² = 322399682018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401407) 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, 943 + ... + 1300.

It is an arithmetic number, because the mean of its divisors is an integer number (100980).

2⁴⁰¹⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

401497 is a deficient number, since it is larger than the sum of its proper divisors (2423).

401497 is a wasteful number, since it uses less digits than its factorization.

401497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 401497 is about 633.6379092195. The cubic root of 401497 is about 73.7724321306.

It can be divided in two parts, 401 and 497, that added together give a palindrome (898).

The spelling of 401497 in words is "four hundred one thousand, four hundred ninety-seven".