100356947 has 2 divisors, whose sum is σ = 100356948. Its totient is φ = 100356946.

The previous prime is 100356941. The next prime is 100356961. The reversal of 100356947 is 749653001.

It is a weak prime.

It is an emirp because it is prime and its reverse (749653001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100356947 - 2¹⁴ = 100340563 is a prime.

It is a super-2 number, since 2×100356947² = 20143033622321618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100356941) 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, 50178473 + 50178474.

It is an arithmetic number, because the mean of its divisors is an integer number (50178474).

Almost surely, 2^100356947 is an apocalyptic number.

100356947 is a deficient number, since it is larger than the sum of its proper divisors (1).

100356947 is an equidigital number, since it uses as much as digits as its factorization.

100356947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 100356947 is about 10017.8314519660. The cubic root of 100356947 is about 464.7104946308.

The spelling of 100356947 in words is "one hundred million, three hundred fifty-six thousand, nine hundred forty-seven".