260225531 has 2 divisors, whose sum is σ = 260225532. Its totient is φ = 260225530.

The previous prime is 260225527. The next prime is 260225543. The reversal of 260225531 is 135522062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260225531 - 2² = 260225527 is a prime.

It is a super-2 number, since 2×260225531² = 135434653968463922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 260225531.

It is not a weakly prime, because it can be changed into another prime (260225561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130112765 + 130112766.

It is an arithmetic number, because the mean of its divisors is an integer number (130112766).

Almost surely, 2^260225531 is an apocalyptic number.

260225531 is a deficient number, since it is larger than the sum of its proper divisors (1).

260225531 is an equidigital number, since it uses as much as digits as its factorization.

260225531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 260225531 is about 16131.5074001161. The cubic root of 260225531 is about 638.4349217540.

Adding to 260225531 its reverse (135522062), we get a palindrome (395747593).

The spelling of 260225531 in words is "two hundred sixty million, two hundred twenty-five thousand, five hundred thirty-one".