775125441 has 24 divisors (see below), whose sum is σ = 1136588544. Its totient is φ = 508978080.

The previous prime is 775125433. The next prime is 775125443. The reversal of 775125441 is 144521577.

It is not a de Polignac number, because 775125441 - 2³ = 775125433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 775125396 and 775125405.

It is not an unprimeable number, because it can be changed into a prime (775125443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172080 + ... + 176526.

It is an arithmetic number, because the mean of its divisors is an integer number (47357856).

Almost surely, 2^775125441 is an apocalyptic number.

It is an amenable number.

775125441 is a deficient number, since it is larger than the sum of its proper divisors (361463103).

775125441 is a wasteful number, since it uses less digits than its factorization.

775125441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4741 (or 4738 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 775125441 is about 27841.0747098599. The cubic root of 775125441 is about 918.5948307154.

The spelling of 775125441 in words is "seven hundred seventy-five million, one hundred twenty-five thousand, four hundred forty-one".