542352091 has 2 divisors, whose sum is σ = 542352092. Its totient is φ = 542352090.

The previous prime is 542352073. The next prime is 542352101. The reversal of 542352091 is 190253245.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542352091 is a prime.

It is a super-2 number, since 2×542352091² = 588291581224144562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (542352011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271176045 + 271176046.

It is an arithmetic number, because the mean of its divisors is an integer number (271176046).

Almost surely, 2^542352091 is an apocalyptic number.

542352091 is a deficient number, since it is larger than the sum of its proper divisors (1).

542352091 is an equidigital number, since it uses as much as digits as its factorization.

542352091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 542352091 is about 23288.4540276936. The cubic root of 542352091 is about 815.5058979086.

The spelling of 542352091 in words is "five hundred forty-two million, three hundred fifty-two thousand, ninety-one".