262660157 has 2 divisors, whose sum is σ = 262660158. Its totient is φ = 262660156.

The previous prime is 262660133. The next prime is 262660171. The reversal of 262660157 is 751066262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261824761 + 835396 = 16181^2 + 914^2 .

It is a cyclic number.

It is not a de Polignac number, because 262660157 - 2¹² = 262656061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (262669157) 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 as a sum of consecutive naturals, namely, 131330078 + 131330079.

It is an arithmetic number, because the mean of its divisors is an integer number (131330079).

Almost surely, 2^262660157 is an apocalyptic number.

It is an amenable number.

262660157 is a deficient number, since it is larger than the sum of its proper divisors (1).

262660157 is an equidigital number, since it uses as much as digits as its factorization.

262660157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 262660157 is about 16206.7935446837. The cubic root of 262660157 is about 640.4197742529.

The spelling of 262660157 in words is "two hundred sixty-two million, six hundred sixty thousand, one hundred fifty-seven".