70452271 has 2 divisors, whose sum is σ = 70452272. Its totient is φ = 70452270.

The previous prime is 70452269. The next prime is 70452353. The reversal of 70452271 is 17225407.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70452271 - 2¹ = 70452269 is a prime.

Together with 70452269, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70452251) 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, 35226135 + 35226136.

It is an arithmetic number, because the mean of its divisors is an integer number (35226136).

Almost surely, 2^70452271 is an apocalyptic number.

70452271 is a deficient number, since it is larger than the sum of its proper divisors (1).

70452271 is an equidigital number, since it uses as much as digits as its factorization.

70452271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 70452271 is about 8393.5851100707. The cubic root of 70452271 is about 413.0142146769.

Adding to 70452271 its reverse (17225407), we get a palindrome (87677678).

It can be divided in two parts, 7045 and 2271, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 70452271 in words is "seventy million, four hundred fifty-two thousand, two hundred seventy-one".