68822525 has 6 divisors (see below), whose sum is σ = 85339962. Its totient is φ = 55058000.

The previous prime is 68822519. The next prime is 68822531. The reversal of 68822525 is 52522886.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68822519) and next prime (68822531).

It can be written as a sum of positive squares in 3 ways, for example, as 10407076 + 58415449 = 3226^2 + 7643^2 .

It is a de Polignac number, because none of the positive numbers 2^k-68822525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1376426 + ... + 1376475.

It is an arithmetic number, because the mean of its divisors is an integer number (14223327).

Almost surely, 2^68822525 is an apocalyptic number.

It is an amenable number.

68822525 is a deficient number, since it is larger than the sum of its proper divisors (16517437).

68822525 is a wasteful number, since it uses less digits than its factorization.

68822525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752911 (or 2752906 counting only the distinct ones).

The product of its digits is 76800, while the sum is 38.

The square root of 68822525 is about 8295.9342451589. The cubic root of 68822525 is about 409.8046362523.

The spelling of 68822525 in words is "sixty-eight million, eight hundred twenty-two thousand, five hundred twenty-five".