70528543 has 2 divisors, whose sum is σ = 70528544. Its totient is φ = 70528542.

The previous prime is 70528519. The next prime is 70528553. The reversal of 70528543 is 34582507.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70528543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70528499 and 70528508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70528553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35264271 + 35264272.

It is an arithmetic number, because the mean of its divisors is an integer number (35264272).

Almost surely, 2^70528543 is an apocalyptic number.

70528543 is a deficient number, since it is larger than the sum of its proper divisors (1).

70528543 is an equidigital number, since it uses as much as digits as its factorization.

70528543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 70528543 is about 8398.1273507848. The cubic root of 70528543 is about 413.1632047127.

The spelling of 70528543 in words is "seventy million, five hundred twenty-eight thousand, five hundred forty-three".