70253563 has 2 divisors, whose sum is σ = 70253564. Its totient is φ = 70253562.

The previous prime is 70253531. The next prime is 70253581. The reversal of 70253563 is 36535207.

It is a strong prime.

It is an emirp because it is prime and its reverse (36535207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70253563 - 2⁵ = 70253531 is a prime.

It is a super-2 number, since 2×70253563² = 9871126228389938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70253363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35126781 + 35126782.

It is an arithmetic number, because the mean of its divisors is an integer number (35126782).

Almost surely, 2^70253563 is an apocalyptic number.

70253563 is a deficient number, since it is larger than the sum of its proper divisors (1).

70253563 is an equidigital number, since it uses as much as digits as its factorization.

70253563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 70253563 is about 8381.7398551852. The cubic root of 70253563 is about 412.6255519871.

The spelling of 70253563 in words is "seventy million, two hundred fifty-three thousand, five hundred sixty-three".