265001983 has 4 divisors (see below), whose sum is σ = 271465488. Its totient is φ = 258538480.

The previous prime is 265001969. The next prime is 265002011. The reversal of 265001983 is 389100562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 265001983 - 2¹³ = 264993791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265001903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3231691 + ... + 3231772.

It is an arithmetic number, because the mean of its divisors is an integer number (67866372).

Almost surely, 2^265001983 is an apocalyptic number.

265001983 is a deficient number, since it is larger than the sum of its proper divisors (6463505).

265001983 is an equidigital number, since it uses as much as digits as its factorization.

265001983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6463504.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 265001983 is about 16278.8815033466. The cubic root of 265001983 is about 642.3174310061.

The spelling of 265001983 in words is "two hundred sixty-five million, one thousand, nine hundred eighty-three".