538140341 has 2 divisors, whose sum is σ = 538140342. Its totient is φ = 538140340.

The previous prime is 538140283. The next prime is 538140347. The reversal of 538140341 is 143041835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 521939716 + 16200625 = 22846^2 + 4025^2 .

It is a cyclic number.

It is not a de Polignac number, because 538140341 - 2⁶ = 538140277 is a prime.

It is a super-2 number, since 2×538140341² = 579190053223192562, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538140347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269070170 + 269070171.

It is an arithmetic number, because the mean of its divisors is an integer number (269070171).

Almost surely, 2^538140341 is an apocalyptic number.

It is an amenable number.

538140341 is a deficient number, since it is larger than the sum of its proper divisors (1).

538140341 is an equidigital number, since it uses as much as digits as its factorization.

538140341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 538140341 is about 23197.8520772937. The cubic root of 538140341 is about 813.3894151772.

The spelling of 538140341 in words is "five hundred thirty-eight million, one hundred forty thousand, three hundred forty-one".