675869451 has 4 divisors (see below), whose sum is σ = 901159272. Its totient is φ = 450579632.

The previous prime is 675869449. The next prime is 675869521. The reversal of 675869451 is 154968576.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 675869451 - 2¹ = 675869449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 675869394 and 675869403.

It is not an unprimeable number, because it can be changed into a prime (675869431) 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 in 3 ways as a sum of consecutive naturals, for example, 112644906 + ... + 112644911.

It is an arithmetic number, because the mean of its divisors is an integer number (225289818).

Almost surely, 2^675869451 is an apocalyptic number.

675869451 is a deficient number, since it is larger than the sum of its proper divisors (225289821).

675869451 is a wasteful number, since it uses less digits than its factorization.

675869451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225289820.

The product of its digits is 1814400, while the sum is 51.

The square root of 675869451 is about 25997.4893210864. The cubic root of 675869451 is about 877.5817954450.

The spelling of 675869451 in words is "six hundred seventy-five million, eight hundred sixty-nine thousand, four hundred fifty-one".