675503191 has 12 divisors (see below), whose sum is σ = 762567736. Its totient is φ = 597492720.

The previous prime is 675503183. The next prime is 675503197. The reversal of 675503191 is 191305576.

It is not a de Polignac number, because 675503191 - 2³ = 675503183 is a prime.

It is a super-4 number, since 4×675503191⁴ (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 675503191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675503197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70965 + ... + 79918.

Almost surely, 2^675503191 is an apocalyptic number.

675503191 is a deficient number, since it is larger than the sum of its proper divisors (87064545).

675503191 is a wasteful number, since it uses less digits than its factorization.

675503191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150942 (or 150931 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 675503191 is about 25990.4442247531. Note that the first 3 decimals coincide. The cubic root of 675503191 is about 877.4232435304.

The spelling of 675503191 in words is "six hundred seventy-five million, five hundred three thousand, one hundred ninety-one".