542174261 has 2 divisors, whose sum is σ = 542174262. Its totient is φ = 542174260.

The previous prime is 542174231. The next prime is 542174287. The reversal of 542174261 is 162471245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 478078225 + 64096036 = 21865^2 + 8006^2 .

It is a cyclic number.

It is not a de Polignac number, because 542174261 - 2¹⁸ = 541912117 is a prime.

It is a super-2 number, since 2×542174261² = 587905858581792242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542174231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271087130 + 271087131.

It is an arithmetic number, because the mean of its divisors is an integer number (271087131).

Almost surely, 2^542174261 is an apocalyptic number.

It is an amenable number.

542174261 is a deficient number, since it is larger than the sum of its proper divisors (1).

542174261 is an equidigital number, since it uses as much as digits as its factorization.

542174261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 32.

The square root of 542174261 is about 23284.6357283081. The cubic root of 542174261 is about 815.4167570047.

The spelling of 542174261 in words is "five hundred forty-two million, one hundred seventy-four thousand, two hundred sixty-one".