201256433 has 16 divisors (see below), whose sum is σ = 245621760. Its totient is φ = 161179200.

The previous prime is 201256427. The next prime is 201256439. The reversal of 201256433 is 334652102.

It is an interprime number because it is at equal distance from previous prime (201256427) and next prime (201256439).

It is not a de Polignac number, because 201256433 - 2⁶ = 201256369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201256439) 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, 9698 + ... + 22283.

It is an arithmetic number, because the mean of its divisors is an integer number (15351360).

Almost surely, 2^201256433 is an apocalyptic number.

It is an amenable number.

201256433 is a deficient number, since it is larger than the sum of its proper divisors (44365327).

201256433 is a wasteful number, since it uses less digits than its factorization.

201256433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32048.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 201256433 is about 14186.4876907570. The cubic root of 201256433 is about 586.0256029459.

The spelling of 201256433 in words is "two hundred one million, two hundred fifty-six thousand, four hundred thirty-three".