8302525949 has 4 divisors (see below), whose sum is σ = 8459177436. Its totient is φ = 8145874464.

The previous prime is 8302525897. The next prime is 8302525997. The reversal of 8302525949 is 9495252038.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9495252038 = 2 ⋅4747626019.

It can be written as a sum of positive squares in 2 ways, for example, as 3509733049 + 4792792900 = 59243^2 + 69230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8302525949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8302525549) 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, 78325664 + ... + 78325769.

It is an arithmetic number, because the mean of its divisors is an integer number (2114794359).

Almost surely, 2^8302525949 is an apocalyptic number.

It is an amenable number.

8302525949 is a deficient number, since it is larger than the sum of its proper divisors (156651487).

8302525949 is a wasteful number, since it uses less digits than its factorization.

8302525949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156651486.

The product of its (nonzero) digits is 777600, while the sum is 47.

The square root of 8302525949 is about 91118.1976830095. The cubic root of 8302525949 is about 2024.8992236797.

The spelling of 8302525949 in words is "eight billion, three hundred two million, five hundred twenty-five thousand, nine hundred forty-nine".