260577157 has 2 divisors, whose sum is σ = 260577158. Its totient is φ = 260577156.

The previous prime is 260577131. The next prime is 260577197. The reversal of 260577157 is 751775062.

It is an a-pointer prime, because the next prime (260577197) can be obtained adding 260577157 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257570401 + 3006756 = 16049^2 + 1734^2 .

It is a cyclic number.

It is not a de Polignac number, because 260577157 - 2¹⁹ = 260052869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260577197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130288578 + 130288579.

It is an arithmetic number, because the mean of its divisors is an integer number (130288579).

Almost surely, 2^260577157 is an apocalyptic number.

It is an amenable number.

260577157 is a deficient number, since it is larger than the sum of its proper divisors (1).

260577157 is an equidigital number, since it uses as much as digits as its factorization.

260577157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102900, while the sum is 40.

The square root of 260577157 is about 16142.4024544056. The cubic root of 260577157 is about 638.7223509950.

The spelling of 260577157 in words is "two hundred sixty million, five hundred seventy-seven thousand, one hundred fifty-seven".