945525549 has 4 divisors (see below), whose sum is σ = 1260700736. Its totient is φ = 630350364.

The previous prime is 945525547. The next prime is 945525571.

945525549 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 945525549 - 2¹ = 945525547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 945525498 and 945525507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945525547) 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, 157587589 + ... + 157587594.

It is an arithmetic number, because the mean of its divisors is an integer number (315175184).

Almost surely, 2^945525549 is an apocalyptic number.

It is an amenable number.

945525549 is a deficient number, since it is larger than the sum of its proper divisors (315175187).

945525549 is a wasteful number, since it uses less digits than its factorization.

945525549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315175186.

The product of its digits is 1620000, while the sum is 48.

The square root of 945525549 is about 30749.3991648617. The cubic root of 945525549 is about 981.5017752831.

The spelling of 945525549 in words is "nine hundred forty-five million, five hundred twenty-five thousand, five hundred forty-nine".