100070543 has 2 divisors, whose sum is σ = 100070544. Its totient is φ = 100070542.

The previous prime is 100070521. The next prime is 100070557. The reversal of 100070543 is 345070001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100070543 - 2¹⁴ = 100054159 is a prime.

It is a super-2 number, since 2×100070543² = 20028227152629698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100070743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50035271 + 50035272.

It is an arithmetic number, because the mean of its divisors is an integer number (50035272).

Almost surely, 2^100070543 is an apocalyptic number.

100070543 is a deficient number, since it is larger than the sum of its proper divisors (1).

100070543 is an equidigital number, since it uses as much as digits as its factorization.

100070543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 100070543 is about 10003.5265281799. The cubic root of 100070543 is about 464.2680015739.

The spelling of 100070543 in words is "one hundred million, seventy thousand, five hundred forty-three".