70800523 has 2 divisors, whose sum is σ = 70800524. Its totient is φ = 70800522.

The previous prime is 70800491. The next prime is 70800533. The reversal of 70800523 is 32500807.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70800523 - 2⁵ = 70800491 is a prime.

It is not a weakly prime, because it can be changed into another prime (70800533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35400261 + 35400262.

It is an arithmetic number, because the mean of its divisors is an integer number (35400262).

Almost surely, 2^70800523 is an apocalyptic number.

70800523 is a deficient number, since it is larger than the sum of its proper divisors (1).

70800523 is an equidigital number, since it uses as much as digits as its factorization.

70800523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 70800523 is about 8414.3046652709. The cubic root of 70800523 is about 413.6936187598.

The spelling of 70800523 in words is "seventy million, eight hundred thousand, five hundred twenty-three".