850061525 has 6 divisors (see below), whose sum is σ = 1054076322. Its totient is φ = 680049200.

The previous prime is 850061519. The next prime is 850061549. The reversal of 850061525 is 525160058.

It can be written as a sum of positive squares in 3 ways, for example, as 80442961 + 769618564 = 8969^2 + 27742^2 .

It is not a de Polignac number, because 850061525 - 2¹⁸ = 849799381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 850061491 and 850061500.

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, 17001206 + ... + 17001255.

It is an arithmetic number, because the mean of its divisors is an integer number (175679387).

Almost surely, 2^850061525 is an apocalyptic number.

It is an amenable number.

850061525 is a deficient number, since it is larger than the sum of its proper divisors (204014797).

850061525 is a wasteful number, since it uses less digits than its factorization.

850061525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34002471 (or 34002466 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 850061525 is about 29155.8146001788. The cubic root of 850061525 is about 947.2910918025.

The spelling of 850061525 in words is "eight hundred fifty million, sixty-one thousand, five hundred twenty-five".