264125693 has 4 divisors (see below), whose sum is σ = 284443068. Its totient is φ = 243808320.

The previous prime is 264125657. The next prime is 264125747. The reversal of 264125693 is 396521462.

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

It can be written as a sum of positive squares in 2 ways, for example, as 80604484 + 183521209 = 8978^2 + 13547^2 .

It is a cyclic number.

It is not a de Polignac number, because 264125693 - 2¹⁰ = 264124669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264125633) 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, 10158668 + ... + 10158693.

It is an arithmetic number, because the mean of its divisors is an integer number (71110767).

Almost surely, 2^264125693 is an apocalyptic number.

It is an amenable number.

264125693 is a deficient number, since it is larger than the sum of its proper divisors (20317375).

264125693 is a wasteful number, since it uses less digits than its factorization.

264125693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20317374.

The product of its digits is 77760, while the sum is 38.

The square root of 264125693 is about 16251.9442836850. The cubic root of 264125693 is about 641.6086590916.

The spelling of 264125693 in words is "two hundred sixty-four million, one hundred twenty-five thousand, six hundred ninety-three".