675099405 has 12 divisors (see below), whose sum is σ = 1170172380. Its totient is φ = 360052992.

The previous prime is 675099391. The next prime is 675099419. The reversal of 675099405 is 504990576.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (675099391) and next prime (675099419).

It can be written as a sum of positive squares in 2 ways, for example, as 73770921 + 601328484 = 8589^2 + 24522^2 .

It is not a de Polignac number, because 675099405 - 2¹³ = 675091213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 15002209 = 675099405 / (6 + 7 + 5 + 0 + 9 + 9 + 4 + 0 + 5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7501060 + ... + 7501149.

It is an arithmetic number, because the mean of its divisors is an integer number (97514365).

Almost surely, 2^675099405 is an apocalyptic number.

It is an amenable number.

675099405 is a deficient number, since it is larger than the sum of its proper divisors (495072975).

675099405 is a wasteful number, since it uses less digits than its factorization.

675099405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15002220 (or 15002217 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 675099405 is about 25982.6750932232. The cubic root of 675099405 is about 877.2483803848.

The spelling of 675099405 in words is "six hundred seventy-five million, ninety-nine thousand, four hundred five".