994515525 has 18 divisors (see below), whose sum is σ = 1781288210. Its totient is φ = 530408160.

The previous prime is 994515517. The next prime is 994515527. The reversal of 994515525 is 525515499.

994515525 is a `hidden beast` number, since 9 + 94 + 5 + 1 + 552 + 5 = 666.

994515525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 58706244 + 935809281 = 7662^2 + 30591^2 .

It is not a de Polignac number, because 994515525 - 2³ = 994515517 is a prime.

It is a super-5 number, since 5×994515525⁵ (a number of 46 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994515527) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2209810 + ... + 2210259.

Almost surely, 2^994515525 is an apocalyptic number.

It is an amenable number.

994515525 is a deficient number, since it is larger than the sum of its proper divisors (786772685).

994515525 is a wasteful number, since it uses less digits than its factorization.

994515525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4420085 (or 4420077 counting only the distinct ones).

The product of its digits is 405000, while the sum is 45.

The square root of 994515525 is about 31535.9402111305. The cubic root of 994515525 is about 998.1684892831.

It can be divided in two parts, 99451 and 5525, that added together give a 4-th power (104976 = 18⁴).

The spelling of 994515525 in words is "nine hundred ninety-four million, five hundred fifteen thousand, five hundred twenty-five".