675406553 has 2 divisors, whose sum is σ = 675406554. Its totient is φ = 675406552.

The previous prime is 675406531. The next prime is 675406601. The reversal of 675406553 is 355604576.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 355247104 + 320159449 = 18848^2 + 17893^2 .

It is a cyclic number.

It is not a de Polignac number, because 675406553 - 2²² = 671212249 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 675406553.

It is not a weakly prime, because it can be changed into another prime (675406513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337703276 + 337703277.

It is an arithmetic number, because the mean of its divisors is an integer number (337703277).

Almost surely, 2^675406553 is an apocalyptic number.

It is an amenable number.

675406553 is a deficient number, since it is larger than the sum of its proper divisors (1).

675406553 is an equidigital number, since it uses as much as digits as its factorization.

675406553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378000, while the sum is 41.

The square root of 675406553 is about 25988.5850519031. The cubic root of 675406553 is about 877.3813999228.

The spelling of 675406553 in words is "six hundred seventy-five million, four hundred six thousand, five hundred fifty-three".