203250540 has 48 divisors (see below), whose sum is σ = 593849088. Its totient is φ = 51843264.

The previous prime is 203250533. The next prime is 203250547. The reversal of 203250540 is 45052302.

It is an interprime number because it is at equal distance from previous prime (203250533) and next prime (203250547).

It is not an unprimeable number, because it can be changed into a prime (203250547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72262 + ... + 75021.

It is an arithmetic number, because the mean of its divisors is an integer number (12371856).

Almost surely, 2^203250540 is an apocalyptic number.

203250540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203250540 is an abundant number, since it is smaller than the sum of its proper divisors (390598548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203250540 is a wasteful number, since it uses less digits than its factorization.

203250540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147318 (or 147316 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 203250540 is about 14256.5963679975. The cubic root of 203250540 is about 587.9547491671.

The spelling of 203250540 in words is "two hundred three million, two hundred fifty thousand, five hundred forty".