261141527 has 2 divisors, whose sum is σ = 261141528. Its totient is φ = 261141526.

The previous prime is 261141521. The next prime is 261141571. The reversal of 261141527 is 725141162.

261141527 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 261141527 - 2⁴ = 261141511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 261141527.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (261141521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130570763 + 130570764.

It is an arithmetic number, because the mean of its divisors is an integer number (130570764).

Almost surely, 2^261141527 is an apocalyptic number.

261141527 is a deficient number, since it is larger than the sum of its proper divisors (1).

261141527 is an equidigital number, since it uses as much as digits as its factorization.

261141527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 29.

The square root of 261141527 is about 16159.8739784690. The cubic root of 261141527 is about 639.1831432418.

Adding to 261141527 its reverse (725141162), we get a palindrome (986282689).

The spelling of 261141527 in words is "two hundred sixty-one million, one hundred forty-one thousand, five hundred twenty-seven".