202054243 has 2 divisors, whose sum is σ = 202054244. Its totient is φ = 202054242.

The previous prime is 202054219. The next prime is 202054253. The reversal of 202054243 is 342450202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 202054243 - 2¹³ = 202046051 is a prime.

It is a super-2 number, since 2×202054243² = 81651834228606098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202054253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101027121 + 101027122.

It is an arithmetic number, because the mean of its divisors is an integer number (101027122).

Almost surely, 2^202054243 is an apocalyptic number.

202054243 is a deficient number, since it is larger than the sum of its proper divisors (1).

202054243 is an equidigital number, since it uses as much as digits as its factorization.

202054243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 202054243 is about 14214.5785375438. The cubic root of 202054243 is about 586.7989457589.

The spelling of 202054243 in words is "two hundred two million, fifty-four thousand, two hundred forty-three".