264312503 has 8 divisors (see below), whose sum is σ = 325307808. Its totient is φ = 209126304.

The previous prime is 264312493. The next prime is 264312547. The reversal of 264312503 is 305213462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 264312503 - 2¹⁴ = 264296119 is a prime.

It is a super-2 number, since 2×264312503² = 139722198484250018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264312203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1452176 + ... + 1452357.

It is an arithmetic number, because the mean of its divisors is an integer number (40663476).

Almost surely, 2^264312503 is an apocalyptic number.

264312503 is a deficient number, since it is larger than the sum of its proper divisors (60995305).

264312503 is a wasteful number, since it uses less digits than its factorization.

264312503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904553.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 264312503 is about 16257.6905801531. The cubic root of 264312503 is about 641.7598884369.

Adding to 264312503 its reverse (305213462), we get a palindrome (569525965).

The spelling of 264312503 in words is "two hundred sixty-four million, three hundred twelve thousand, five hundred three".