953493487 has 2 divisors, whose sum is σ = 953493488. Its totient is φ = 953493486.

The previous prime is 953493449. The next prime is 953493491. The reversal of 953493487 is 784394359.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-953493487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (953493427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 476746743 + 476746744.

It is an arithmetic number, because the mean of its divisors is an integer number (476746744).

Almost surely, 2^953493487 is an apocalyptic number.

953493487 is a deficient number, since it is larger than the sum of its proper divisors (1).

953493487 is an equidigital number, since it uses as much as digits as its factorization.

953493487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 52.

The square root of 953493487 is about 30878.6898523885. The cubic root of 953493487 is about 984.2511033074.

The spelling of 953493487 in words is "nine hundred fifty-three million, four hundred ninety-three thousand, four hundred eighty-seven".