201054249 has 24 divisors (see below), whose sum is σ = 319904832. Its totient is φ = 120661920.

The previous prime is 201054211. The next prime is 201054253. The reversal of 201054249 is 942450102.

It is not a de Polignac number, because 201054249 - 2¹⁶ = 200988713 is a prime.

It is a super-2 number, since 2×201054249² = 80845622081908002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201054149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 339 + ... + 20055.

It is an arithmetic number, because the mean of its divisors is an integer number (13329368).

Almost surely, 2^201054249 is an apocalyptic number.

It is an amenable number.

201054249 is a deficient number, since it is larger than the sum of its proper divisors (118850583).

201054249 is a wasteful number, since it uses less digits than its factorization.

201054249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19837 (or 19834 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 201054249 is about 14179.3599643990. The cubic root of 201054249 is about 585.8292950185.

The spelling of 201054249 in words is "two hundred one million, fifty-four thousand, two hundred forty-nine".