457101947 has 2 divisors, whose sum is σ = 457101948. Its totient is φ = 457101946.

The previous prime is 457101941. The next prime is 457102021. The reversal of 457101947 is 749101754.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457101947 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 457101947.

It is not a weakly prime, because it can be changed into another prime (457101941) 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, 228550973 + 228550974.

It is an arithmetic number, because the mean of its divisors is an integer number (228550974).

Almost surely, 2^457101947 is an apocalyptic number.

457101947 is a deficient number, since it is larger than the sum of its proper divisors (1).

457101947 is an equidigital number, since it uses as much as digits as its factorization.

457101947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 457101947 is about 21379.9426332252. The cubic root of 457101947 is about 770.3197339723.

The spelling of 457101947 in words is "four hundred fifty-seven million, one hundred one thousand, nine hundred forty-seven".