526149449 has 8 divisors (see below), whose sum is σ = 627457920. Its totient is φ = 431377056.

The previous prime is 526149427. The next prime is 526149451. The reversal of 526149449 is 944941625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 526149449 - 2⁸ = 526149193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (526149409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1633844 + ... + 1634165.

It is an arithmetic number, because the mean of its divisors is an integer number (78432240).

Almost surely, 2^526149449 is an apocalyptic number.

It is an amenable number.

526149449 is a deficient number, since it is larger than the sum of its proper divisors (101308471).

526149449 is a wasteful number, since it uses less digits than its factorization.

526149449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268039.

The product of its digits is 311040, while the sum is 44.

The square root of 526149449 is about 22937.9477939941. The cubic root of 526149449 is about 807.3026411449.

The spelling of 526149449 in words is "five hundred twenty-six million, one hundred forty-nine thousand, four hundred forty-nine".