401572 has 6 divisors (see below), whose sum is σ = 702758. Its totient is φ = 200784.

The previous prime is 401567. The next prime is 401587. The reversal of 401572 is 275104.

401572 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 341056 + 60516 = 584^2 + 246^2 .

It is a super-2 number, since 2×401572² = 322520142368, which contains 22 as substring.

It is an unprimeable number.

401572 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50193 + ... + 50200.

2⁴⁰¹⁵⁷² is an apocalyptic number.

It is an amenable number.

401572 is a deficient number, since it is larger than the sum of its proper divisors (301186).

401572 is a wasteful number, since it uses less digits than its factorization.

401572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100397 (or 100395 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 401572 is about 633.6970885210. The cubic root of 401572 is about 73.7770254301. Note that the first 3 decimals are identical.

Adding to 401572 its reverse (275104), we get a palindrome (676676).

The spelling of 401572 in words is "four hundred one thousand, five hundred seventy-two".