200153423525 has 18 divisors (see below), whose sum is σ = 272804157906. Its totient is φ = 145566124000.

The previous prime is 200153423521. The next prime is 200153423527. The reversal of 200153423525 is 525324351002.

It can be written as a sum of positive squares in 3 ways, for example, as 35809128289 + 164344295236 = 189233^2 + 405394^2 .

It is not a de Polignac number, because 200153423525 - 2² = 200153423521 is a prime.

It is a super-2 number, since 2×200153423525² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 200153423491 and 200153423500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200153423521) 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, 33080186 + ... + 33086235.

Almost surely, 2^200153423525 is an apocalyptic number.

200153423525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

200153423525 is a deficient number, since it is larger than the sum of its proper divisors (72650734381).

200153423525 is a wasteful number, since it uses less digits than its factorization.

200153423525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66166453 (or 66166437 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 200153423525 its reverse (525324351002), we get a palindrome (725477774527).

The spelling of 200153423525 in words is "two hundred billion, one hundred fifty-three million, four hundred twenty-three thousand, five hundred twenty-five".