264203953 has 12 divisors (see below), whose sum is σ = 302922828. Its totient is φ = 229532160.

The previous prime is 264203923. The next prime is 264203957. The reversal of 264203953 is 359302462.

It can be written as a sum of positive squares in 6 ways, for example, as 27751824 + 236452129 = 5268^2 + 15377^2 .

It is not a de Polignac number, because 264203953 - 2¹³ = 264195761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (264203957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43108 + ... + 48853.

It is an arithmetic number, because the mean of its divisors is an integer number (25243569).

Almost surely, 2^264203953 is an apocalyptic number.

It is an amenable number.

264203953 is a deficient number, since it is larger than the sum of its proper divisors (38718875).

264203953 is a wasteful number, since it uses less digits than its factorization.

264203953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92004 (or 91991 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 264203953 is about 16254.3518172827. The cubic root of 264203953 is about 641.6720220239.

The spelling of 264203953 in words is "two hundred sixty-four million, two hundred three thousand, nine hundred fifty-three".