201045425 has 24 divisors (see below), whose sum is σ = 291546816. Its totient is φ = 134648640.

The previous prime is 201045413. The next prime is 201045437. The reversal of 201045425 is 524540102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (201045413) and next prime (201045437).

It is not a de Polignac number, because 201045425 - 2⁴ = 201045409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201045425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5834 + ... + 20883.

It is an arithmetic number, because the mean of its divisors is an integer number (12147784).

Almost surely, 2^201045425 is an apocalyptic number.

201045425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201045425 is a deficient number, since it is larger than the sum of its proper divisors (90501391).

201045425 is a wasteful number, since it uses less digits than its factorization.

201045425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26777 (or 26772 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 201045425 is about 14179.0488044861. The cubic root of 201045425 is about 585.8207244737.

Adding to 201045425 its reverse (524540102), we get a palindrome (725585527).

The spelling of 201045425 in words is "two hundred one million, forty-five thousand, four hundred twenty-five".