1001673487 has 2 divisors, whose sum is σ = 1001673488. Its totient is φ = 1001673486.

The previous prime is 1001673403. The next prime is 1001673493. The reversal of 1001673487 is 7843761001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001673487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001671487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500836743 + 500836744.

It is an arithmetic number, because the mean of its divisors is an integer number (500836744).

Almost surely, 2^1001673487 is an apocalyptic number.

1001673487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001673487 is an equidigital number, since it uses as much as digits as its factorization.

1001673487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 1001673487 is about 31649.2256935300. The cubic root of 1001673487 is about 1000.5575181158.

The spelling of 1001673487 in words is "one billion, one million, six hundred seventy-three thousand, four hundred eighty-seven".