264151249 has 2 divisors, whose sum is σ = 264151250. Its totient is φ = 264151248.

The previous prime is 264151247. The next prime is 264151267. The reversal of 264151249 is 942151462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245141649 + 19009600 = 15657^2 + 4360^2 .

It is a cyclic number.

It is not a de Polignac number, because 264151249 - 2¹ = 264151247 is a prime.

Together with 264151247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (264151241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132075624 + 132075625.

It is an arithmetic number, because the mean of its divisors is an integer number (132075625).

Almost surely, 2^264151249 is an apocalyptic number.

It is an amenable number.

264151249 is a deficient number, since it is larger than the sum of its proper divisors (1).

264151249 is an equidigital number, since it uses as much as digits as its factorization.

264151249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 264151249 is about 16252.7305090560. The cubic root of 264151249 is about 641.6293517927.

The spelling of 264151249 in words is "two hundred sixty-four million, one hundred fifty-one thousand, two hundred forty-nine".