264363331 has 2 divisors, whose sum is σ = 264363332. Its totient is φ = 264363330.

The previous prime is 264363329. The next prime is 264363347. The reversal of 264363331 is 133363462.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264363331 - 2¹ = 264363329 is a prime.

It is a super-2 number, since 2×264363331² = 139775941554831122, which contains 22 as substring.

Together with 264363329, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 264363293 and 264363302.

It is not a weakly prime, because it can be changed into another prime (264363301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132181665 + 132181666.

It is an arithmetic number, because the mean of its divisors is an integer number (132181666).

Almost surely, 2^264363331 is an apocalyptic number.

264363331 is a deficient number, since it is larger than the sum of its proper divisors (1).

264363331 is an equidigital number, since it uses as much as digits as its factorization.

264363331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 31.

The square root of 264363331 is about 16259.2537036606. The cubic root of 264363331 is about 641.8010231802.

The spelling of 264363331 in words is "two hundred sixty-four million, three hundred sixty-three thousand, three hundred thirty-one".