526449949 has 4 divisors (see below), whose sum is σ = 540678364. Its totient is φ = 512221536.

The previous prime is 526449941. The next prime is 526449991. The reversal of 526449949 is 949944625.

It is a happy number.

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 272844324 + 253605625 = 16518^2 + 15925^2 .

It is a cyclic number.

It is not a de Polignac number, because 526449949 - 2³ = 526449941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 526449896 and 526449905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526449941) 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, 7114152 + ... + 7114225.

It is an arithmetic number, because the mean of its divisors is an integer number (135169591).

Almost surely, 2^526449949 is an apocalyptic number.

It is an amenable number.

526449949 is a deficient number, since it is larger than the sum of its proper divisors (14228415).

526449949 is a wasteful number, since it uses less digits than its factorization.

526449949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14228414.

The product of its digits is 2799360, while the sum is 52.

The square root of 526449949 is about 22944.4971398373. The cubic root of 526449949 is about 807.4563036163.

The spelling of 526449949 in words is "five hundred twenty-six million, four hundred forty-nine thousand, nine hundred forty-nine".