200431450525 has 24 divisors (see below), whose sum is σ = 264518308584. Its totient is φ = 150131097600.

The previous prime is 200431450519. The next prime is 200431450537. The reversal of 200431450525 is 525054134002.

It can be written as a sum of positive squares in 12 ways, for example, as 93310088089 + 107121362436 = 305467^2 + 327294^2 .

It is not a de Polignac number, because 200431450525 - 2³ = 200431450517 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 23 ways as a sum of consecutive naturals, for example, 1139746 + ... + 1303795.

It is an arithmetic number, because the mean of its divisors is an integer number (11021596191).

Almost surely, 2^200431450525 is an apocalyptic number.

200431450525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

200431450525 is a deficient number, since it is larger than the sum of its proper divisors (64086858059).

200431450525 is a wasteful number, since it uses less digits than its factorization.

200431450525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443761 (or 2443756 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 200431450525 its reverse (525054134002), we get a palindrome (725485584527).

The spelling of 200431450525 in words is "two hundred billion, four hundred thirty-one million, four hundred fifty thousand, five hundred twenty-five".