849477025 has 6 divisors (see below), whose sum is σ = 1053351542. Its totient is φ = 679581600.

The previous prime is 849477011. The next prime is 849477037. The reversal of 849477025 is 520774948.

It can be written as a sum of positive squares in 3 ways, for example, as 3888784 + 845588241 = 1972^2 + 29079^2 .

It is not a de Polignac number, because 849477025 - 2¹³ = 849468833 is a prime.

It is a super-3 number, since 3×849477025³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian 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, 16989516 + ... + 16989565.

Almost surely, 2^849477025 is an apocalyptic number.

It is an amenable number.

849477025 is a deficient number, since it is larger than the sum of its proper divisors (203874517).

849477025 is a wasteful number, since it uses less digits than its factorization.

849477025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33979091 (or 33979086 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 849477025 is about 29145.7891469763. The cubic root of 849477025 is about 947.0739237579.

The spelling of 849477025 in words is "eight hundred forty-nine million, four hundred seventy-seven thousand, twenty-five".