265420583 has 2 divisors, whose sum is σ = 265420584. Its totient is φ = 265420582.

The previous prime is 265420537. The next prime is 265420607. The reversal of 265420583 is 385024562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265420583 - 2¹⁰ = 265419559 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265420523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132710291 + 132710292.

It is an arithmetic number, because the mean of its divisors is an integer number (132710292).

Almost surely, 2^265420583 is an apocalyptic number.

265420583 is a deficient number, since it is larger than the sum of its proper divisors (1).

265420583 is an equidigital number, since it uses as much as digits as its factorization.

265420583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 265420583 is about 16291.7335787202. The cubic root of 265420583 is about 642.6554569402.

The spelling of 265420583 in words is "two hundred sixty-five million, four hundred twenty thousand, five hundred eighty-three".