264953987 has 2 divisors, whose sum is σ = 264953988. Its totient is φ = 264953986.

The previous prime is 264953977. The next prime is 264954047. The reversal of 264953987 is 789359462.

It is a happy number.

264953987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264953987 - 2¹² = 264949891 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (264953977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132476993 + 132476994.

It is an arithmetic number, because the mean of its divisors is an integer number (132476994).

Almost surely, 2^264953987 is an apocalyptic number.

264953987 is a deficient number, since it is larger than the sum of its proper divisors (1).

264953987 is an equidigital number, since it uses as much as digits as its factorization.

264953987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 53.

The square root of 264953987 is about 16277.4072566856. The cubic root of 264953987 is about 642.2786507569.

The spelling of 264953987 in words is "two hundred sixty-four million, nine hundred fifty-three thousand, nine hundred eighty-seven".