641367 has 6 divisors (see below), whose sum is σ = 926432. Its totient is φ = 427572.

The previous prime is 641327. The next prime is 641371. The reversal of 641367 is 763146.

It is not a de Polignac number, because 641367 - 2⁷ = 641239 is a prime.

It is a super-2 number, since 2×641367² = 822703257378, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 641367.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 641367.

It is not an unprimeable number, because it can be changed into a prime (641317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35623 + ... + 35640.

2⁶⁴¹³⁶⁷ is an apocalyptic number.

641367 is a deficient number, since it is larger than the sum of its proper divisors (285065).

641367 is a wasteful number, since it uses less digits than its factorization.

641367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71269 (or 71266 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 641367 is about 800.8539192637. The cubic root of 641367 is about 86.2387004731.

It can be divided in two parts, 64 and 1367, that added together give a triangular number (1431 = T₅₃).

The spelling of 641367 in words is "six hundred forty-one thousand, three hundred sixty-seven".