265876973 has 2 divisors, whose sum is σ = 265876974. Its totient is φ = 265876972.

The previous prime is 265876967. The next prime is 265876997. The reversal of 265876973 is 379678562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255904009 + 9972964 = 15997^2 + 3158^2 .

It is a cyclic number.

It is not a de Polignac number, because 265876973 - 2¹⁸ = 265614829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265806973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132938486 + 132938487.

It is an arithmetic number, because the mean of its divisors is an integer number (132938487).

Almost surely, 2^265876973 is an apocalyptic number.

It is an amenable number.

265876973 is a deficient number, since it is larger than the sum of its proper divisors (1).

265876973 is an equidigital number, since it uses as much as digits as its factorization.

265876973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 53.

The square root of 265876973 is about 16305.7343594209. The cubic root of 265876973 is about 643.0235941443.

The spelling of 265876973 in words is "two hundred sixty-five million, eight hundred seventy-six thousand, nine hundred seventy-three".