561151267 has 2 divisors, whose sum is σ = 561151268. Its totient is φ = 561151266.

The previous prime is 561151259. The next prime is 561151307. The reversal of 561151267 is 762151165.

561151267 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 561151267 - 2³ = 561151259 is a prime.

It is not a weakly prime, because it can be changed into another prime (561151967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280575633 + 280575634.

It is an arithmetic number, because the mean of its divisors is an integer number (280575634).

Almost surely, 2^561151267 is an apocalyptic number.

561151267 is a deficient number, since it is larger than the sum of its proper divisors (1).

561151267 is an equidigital number, since it uses as much as digits as its factorization.

561151267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 34.

The square root of 561151267 is about 23688.6315983005. The cubic root of 561151267 is about 824.8215185371.

The spelling of 561151267 in words is "five hundred sixty-one million, one hundred fifty-one thousand, two hundred sixty-seven".