264624427 has 4 divisors (see below), whose sum is σ = 264665880. Its totient is φ = 264582976.

The previous prime is 264624421. The next prime is 264624443. The reversal of 264624427 is 724426462.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264624427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264624421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8902 + ... + 24667.

It is an arithmetic number, because the mean of its divisors is an integer number (66166470).

Almost surely, 2^264624427 is an apocalyptic number.

264624427 is a deficient number, since it is larger than the sum of its proper divisors (41453).

264624427 is an equidigital number, since it uses as much as digits as its factorization.

264624427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41452.

The product of its digits is 129024, while the sum is 37.

The square root of 264624427 is about 16267.2808729671. The cubic root of 264624427 is about 642.0122432748.

The spelling of 264624427 in words is "two hundred sixty-four million, six hundred twenty-four thousand, four hundred twenty-seven".