775425241 has 4 divisors (see below), whose sum is σ = 775608372. Its totient is φ = 775242112.

The previous prime is 775425193. The next prime is 775425253. The reversal of 775425241 is 142524577.

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

It can be written as a sum of positive squares in 2 ways, for example, as 199233225 + 576192016 = 14115^2 + 24004^2 .

It is a cyclic number.

It is not a de Polignac number, because 775425241 - 2¹⁵ = 775392473 is a prime.

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 775425241.

It is not an unprimeable number, because it can be changed into a prime (775425341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85060 + ... + 93733.

It is an arithmetic number, because the mean of its divisors is an integer number (193902093).

Almost surely, 2^775425241 is an apocalyptic number.

It is an amenable number.

775425241 is a deficient number, since it is larger than the sum of its proper divisors (183131).

775425241 is a wasteful number, since it uses less digits than its factorization.

775425241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183130.

The product of its digits is 78400, while the sum is 37.

The square root of 775425241 is about 27846.4583205836. The cubic root of 775425241 is about 918.7132456273.

The spelling of 775425241 in words is "seven hundred seventy-five million, four hundred twenty-five thousand, two hundred forty-one".