675422401 has 2 divisors, whose sum is σ = 675422402. Its totient is φ = 675422400.

The previous prime is 675422399. The next prime is 675422417. The reversal of 675422401 is 104224576.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 471932176 + 203490225 = 21724^2 + 14265^2 .

It is a cyclic number.

It is not a de Polignac number, because 675422401 - 2¹ = 675422399 is a prime.

Together with 675422399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (675422491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337711200 + 337711201.

It is an arithmetic number, because the mean of its divisors is an integer number (337711201).

Almost surely, 2^675422401 is an apocalyptic number.

It is an amenable number.

675422401 is a deficient number, since it is larger than the sum of its proper divisors (1).

675422401 is an equidigital number, since it uses as much as digits as its factorization.

675422401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 675422401 is about 25988.8899532089. The cubic root of 675422401 is about 877.3882622744.

Adding to 675422401 its reverse (104224576), we get a palindrome (779646977).

The spelling of 675422401 in words is "six hundred seventy-five million, four hundred twenty-two thousand, four hundred one".