203040925 has 12 divisors (see below), whose sum is σ = 252200500. Its totient is φ = 162155520.

The previous prime is 203040899. The next prime is 203041031. The reversal of 203040925 is 529040302.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 70744921 + 132296004 = 8411^2 + 11502^2 .

It is not a de Polignac number, because 203040925 - 2⁹ = 203040413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 203040925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8701 + ... + 21949.

Almost surely, 2^203040925 is an apocalyptic number.

203040925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

203040925 is a deficient number, since it is larger than the sum of its proper divisors (49159575).

203040925 is a wasteful number, since it uses less digits than its factorization.

203040925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13872 (or 13867 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 203040925 is about 14249.2429623472. The cubic root of 203040925 is about 587.7525577784.

The spelling of 203040925 in words is "two hundred three million, forty thousand, nine hundred twenty-five".