538380373 has 2 divisors, whose sum is σ = 538380374. Its totient is φ = 538380372.

The previous prime is 538380341. The next prime is 538380407. The reversal of 538380373 is 373083835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 537915249 + 465124 = 23193^2 + 682^2 .

It is a cyclic number.

It is not a de Polignac number, because 538380373 - 2⁵ = 538380341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538380473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269190186 + 269190187.

It is an arithmetic number, because the mean of its divisors is an integer number (269190187).

Almost surely, 2^538380373 is an apocalyptic number.

It is an amenable number.

538380373 is a deficient number, since it is larger than the sum of its proper divisors (1).

538380373 is an equidigital number, since it uses as much as digits as its factorization.

538380373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 538380373 is about 23203.0250829499. The cubic root of 538380373 is about 813.5103318801.

The spelling of 538380373 in words is "five hundred thirty-eight million, three hundred eighty thousand, three hundred seventy-three".