202103149825 has 6 divisors (see below), whose sum is σ = 250607905814. Its totient is φ = 161682519840.

The previous prime is 202103149817. The next prime is 202103149837. The reversal of 202103149825 is 528941301202.

It can be written as a sum of positive squares in 3 ways, for example, as 3033696241 + 199069453584 = 55079^2 + 446172^2 .

It is not a de Polignac number, because 202103149825 - 2³ = 202103149817 is a prime.

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, 4042062972 + ... + 4042063021.

Almost surely, 2^202103149825 is an apocalyptic number.

202103149825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

202103149825 is a deficient number, since it is larger than the sum of its proper divisors (48504755989).

202103149825 is an equidigital number, since it uses as much as digits as its factorization.

202103149825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8084126003 (or 8084125998 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 202103149825 in words is "two hundred two billion, one hundred three million, one hundred forty-nine thousand, eight hundred twenty-five".