70025563 has 2 divisors, whose sum is σ = 70025564. Its totient is φ = 70025562.

The previous prime is 70025551. The next prime is 70025573. The reversal of 70025563 is 36552007.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70025563 - 2⁵ = 70025531 is a prime.

It is not a weakly prime, because it can be changed into another prime (70025573) 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, 35012781 + 35012782.

It is an arithmetic number, because the mean of its divisors is an integer number (35012782).

Almost surely, 2^70025563 is an apocalyptic number.

70025563 is a deficient number, since it is larger than the sum of its proper divisors (1).

70025563 is an equidigital number, since it uses as much as digits as its factorization.

70025563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 70025563 is about 8368.1278073414. The cubic root of 70025563 is about 412.1786916924.

The spelling of 70025563 in words is "seventy million, twenty-five thousand, five hundred sixty-three".