712148491 has 2 divisors, whose sum is σ = 712148492. Its totient is φ = 712148490.

The previous prime is 712148483. The next prime is 712148501. The reversal of 712148491 is 194841217.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 712148491 - 2³ = 712148483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 712148491.

It is not a weakly prime, because it can be changed into another prime (712148401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356074245 + 356074246.

It is an arithmetic number, because the mean of its divisors is an integer number (356074246).

Almost surely, 2^712148491 is an apocalyptic number.

712148491 is a deficient number, since it is larger than the sum of its proper divisors (1).

712148491 is an equidigital number, since it uses as much as digits as its factorization.

712148491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 37.

The square root of 712148491 is about 26686.1104509443. The cubic root of 712148491 is about 893.0110910626.

The spelling of 712148491 in words is "seven hundred twelve million, one hundred forty-eight thousand, four hundred ninety-one".