265937149 has 2 divisors, whose sum is σ = 265937150. Its totient is φ = 265937148.

The previous prime is 265937143. The next prime is 265937153. The reversal of 265937149 is 941739562.

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., 265364100 + 573049 = 16290^2 + 757^2 .

It is a cyclic number.

It is not a de Polignac number, because 265937149 - 2¹¹ = 265935101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 265937099 and 265937108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265937143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132968574 + 132968575.

It is an arithmetic number, because the mean of its divisors is an integer number (132968575).

Almost surely, 2^265937149 is an apocalyptic number.

It is an amenable number.

265937149 is a deficient number, since it is larger than the sum of its proper divisors (1).

265937149 is an equidigital number, since it uses as much as digits as its factorization.

265937149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 46.

The square root of 265937149 is about 16307.5794954371. The cubic root of 265937149 is about 643.0721023804.

The spelling of 265937149 in words is "two hundred sixty-five million, nine hundred thirty-seven thousand, one hundred forty-nine".