204292493 has 2 divisors, whose sum is σ = 204292494. Its totient is φ = 204292492.

The previous prime is 204292483. The next prime is 204292507. The reversal of 204292493 is 394292402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203975524 + 316969 = 14282^2 + 563^2 .

It is a cyclic number.

It is not a de Polignac number, because 204292493 - 2¹⁴ = 204276109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204292423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102146246 + 102146247.

It is an arithmetic number, because the mean of its divisors is an integer number (102146247).

Almost surely, 2^204292493 is an apocalyptic number.

It is an amenable number.

204292493 is a deficient number, since it is larger than the sum of its proper divisors (1).

204292493 is an equidigital number, since it uses as much as digits as its factorization.

204292493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 204292493 is about 14293.0924925294. The cubic root of 204292493 is about 588.9577433526.

It can be divided in two parts, 20429 and 2493, that added together give a palindrome (22922).

The spelling of 204292493 in words is "two hundred four million, two hundred ninety-two thousand, four hundred ninety-three".