202054691 has 2 divisors, whose sum is σ = 202054692. Its totient is φ = 202054690.

The previous prime is 202054681. The next prime is 202054733. The reversal of 202054691 is 196450202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202054691 - 2¹⁰ = 202053667 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (202054651) 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 as a sum of consecutive naturals, namely, 101027345 + 101027346.

It is an arithmetic number, because the mean of its divisors is an integer number (101027346).

Almost surely, 2^202054691 is an apocalyptic number.

202054691 is a deficient number, since it is larger than the sum of its proper divisors (1).

202054691 is an equidigital number, since it uses as much as digits as its factorization.

202054691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 202054691 is about 14214.5942960044. The cubic root of 202054691 is about 586.7993794473.

The spelling of 202054691 in words is "two hundred two million, fifty-four thousand, six hundred ninety-one".