602631 has 6 divisors (see below), whose sum is σ = 870480. Its totient is φ = 401748.

The previous prime is 602627. The next prime is 602639. The reversal of 602631 is 136206.

It is a happy number.

602631 is a `hidden beast` number, since 602 + 63 + 1 = 666.

It is not a de Polignac number, because 602631 - 2² = 602627 is a prime.

It is a super-2 number, since 2×602631² = 726328244322, which contains 22 as substring.

602631 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (602639) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33471 + ... + 33488.

It is an arithmetic number, because the mean of its divisors is an integer number (145080).

2⁶⁰²⁶³¹ is an apocalyptic number.

602631 is a deficient number, since it is larger than the sum of its proper divisors (267849).

602631 is a wasteful number, since it uses less digits than its factorization.

602631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66965 (or 66962 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 602631 is about 776.2931147447. The cubic root of 602631 is about 84.4663685123.

Adding to 602631 its reverse (136206), we get a palindrome (738837).

The spelling of 602631 in words is "six hundred two thousand, six hundred thirty-one".