641151 has 12 divisors (see below), whose sum is σ = 1058512. Its totient is φ = 366336.

The previous prime is 641143. The next prime is 641167. The reversal of 641151 is 151146.

It is not a de Polignac number, because 641151 - 2³ = 641143 is a prime.

It is a super-2 number, since 2×641151² = 822149209602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5026 + ... + 5151.

2⁶⁴¹¹⁵¹ is an apocalyptic number.

641151 is a deficient number, since it is larger than the sum of its proper divisors (417361).

641151 is a wasteful number, since it uses less digits than its factorization.

641151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10190 (or 10187 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 641151 is about 800.7190518528. The cubic root of 641151 is about 86.2290182107.

Adding to 641151 its reverse (151146), we get a palindrome (792297).

The spelling of 641151 in words is "six hundred forty-one thousand, one hundred fifty-one".