69823025 has 12 divisors (see below), whose sum is σ = 87476172. Its totient is φ = 55280640.

The previous prime is 69823021. The next prime is 69823037. The reversal of 69823025 is 52032896.

It can be written as a sum of positive squares in 6 ways, for example, as 5550736 + 64272289 = 2356^2 + 8017^2 .

It is not a de Polignac number, because 69823025 - 2² = 69823021 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 (69823021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11972 + ... + 16821.

It is an arithmetic number, because the mean of its divisors is an integer number (7289681).

Almost surely, 2^69823025 is an apocalyptic number.

It is an amenable number.

69823025 is a deficient number, since it is larger than the sum of its proper divisors (17653147).

69823025 is a wasteful number, since it uses less digits than its factorization.

69823025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28900 (or 28895 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 69823025 is about 8356.0172929452. The cubic root of 69823025 is about 411.7809204599.

The spelling of 69823025 in words is "sixty-nine million, eight hundred twenty-three thousand, twenty-five".