203724264325 has 6 divisors (see below), whose sum is σ = 252618087794. Its totient is φ = 162979411440.

The previous prime is 203724264311. The next prime is 203724264329. The reversal of 203724264325 is 523462427302.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 970384801 + 202753879524 = 31151^2 + 450282^2 .

It is not a de Polignac number, because 203724264325 - 2²⁹ = 203187393413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203724264329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4074485262 + ... + 4074485311.

Almost surely, 2^203724264325 is an apocalyptic number.

203724264325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

203724264325 is a deficient number, since it is larger than the sum of its proper divisors (48893823469).

203724264325 is an equidigital number, since it uses as much as digits as its factorization.

203724264325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8148970583 (or 8148970578 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 40.

The spelling of 203724264325 in words is "two hundred three billion, seven hundred twenty-four million, two hundred sixty-four thousand, three hundred twenty-five".