149576563 has 2 divisors, whose sum is σ = 149576564. Its totient is φ = 149576562.

The previous prime is 149576561. The next prime is 149576587. The reversal of 149576563 is 365675941.

It is a weak prime.

It is an emirp because it is prime and its reverse (365675941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149576563 - 2¹ = 149576561 is a prime.

Together with 149576561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (149576561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74788281 + 74788282.

It is an arithmetic number, because the mean of its divisors is an integer number (74788282).

Almost surely, 2^149576563 is an apocalyptic number.

149576563 is a deficient number, since it is larger than the sum of its proper divisors (1).

149576563 is an equidigital number, since it uses as much as digits as its factorization.

149576563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 680400, while the sum is 46.

The square root of 149576563 is about 12230.1497537847. The cubic root of 149576563 is about 530.8288478917.

The spelling of 149576563 in words is "one hundred forty-nine million, five hundred seventy-six thousand, five hundred sixty-three".