260213631 has 8 divisors (see below), whose sum is σ = 347078784. Its totient is φ = 173412120.

The previous prime is 260213599. The next prime is 260213641. The reversal of 260213631 is 136312062.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 260213631 - 2⁵ = 260213599 is a prime.

It is a super-2 number, since 2×260213631² = 135422267516408322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260213641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5371 + ... + 23436.

It is an arithmetic number, because the mean of its divisors is an integer number (43384848).

Almost surely, 2^260213631 is an apocalyptic number.

260213631 is a deficient number, since it is larger than the sum of its proper divisors (86865153).

260213631 is a wasteful number, since it uses less digits than its factorization.

260213631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31821.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 260213631 is about 16131.1385525015. The cubic root of 260213631 is about 638.4251898222.

Adding to 260213631 its reverse (136312062), we get a palindrome (396525693).

The spelling of 260213631 in words is "two hundred sixty million, two hundred thirteen thousand, six hundred thirty-one".