201965925 has 24 divisors (see below), whose sum is σ = 381620416. Its totient is φ = 92327040.

The previous prime is 201965923. The next prime is 201965957. The reversal of 201965925 is 529569102.

It is not a de Polignac number, because 201965925 - 2¹ = 201965923 is a prime.

It is a super-2 number, since 2×201965925² = 81580469722211250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201965923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191824 + ... + 192873.

Almost surely, 2^201965925 is an apocalyptic number.

201965925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201965925 is a deficient number, since it is larger than the sum of its proper divisors (179654491).

201965925 is a wasteful number, since it uses less digits than its factorization.

201965925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384717 (or 384712 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 201965925 is about 14211.4715986769. The cubic root of 201965925 is about 586.7134366051.

The spelling of 201965925 in words is "two hundred one million, nine hundred sixty-five thousand, nine hundred twenty-five".