260142541 has 2 divisors, whose sum is σ = 260142542. Its totient is φ = 260142540.

The previous prime is 260142479. The next prime is 260142593. The reversal of 260142541 is 145241062.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220641316 + 39501225 = 14854^2 + 6285^2 .

It is a cyclic number.

It is not a de Polignac number, because 260142541 - 2¹¹ = 260140493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260142241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130071270 + 130071271.

It is an arithmetic number, because the mean of its divisors is an integer number (130071271).

Almost surely, 2^260142541 is an apocalyptic number.

It is an amenable number.

260142541 is a deficient number, since it is larger than the sum of its proper divisors (1).

260142541 is an equidigital number, since it uses as much as digits as its factorization.

260142541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 260142541 is about 16128.9348997384. The cubic root of 260142541 is about 638.3670455707.

The spelling of 260142541 in words is "two hundred sixty million, one hundred forty-two thousand, five hundred forty-one".