542625241 has 2 divisors, whose sum is σ = 542625242. Its totient is φ = 542625240.

The previous prime is 542625233. The next prime is 542625253. The reversal of 542625241 is 142526245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 459888025 + 82737216 = 21445^2 + 9096^2 .

It is a cyclic number.

It is not a de Polignac number, because 542625241 - 2³ = 542625233 is a prime.

It is not a weakly prime, because it can be changed into another prime (542625211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271312620 + 271312621.

It is an arithmetic number, because the mean of its divisors is an integer number (271312621).

Almost surely, 2^542625241 is an apocalyptic number.

It is an amenable number.

542625241 is a deficient number, since it is larger than the sum of its proper divisors (1).

542625241 is an equidigital number, since it uses as much as digits as its factorization.

542625241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 31.

The square root of 542625241 is about 23294.3177835282. The cubic root of 542625241 is about 815.6427819575.

The spelling of 542625241 in words is "five hundred forty-two million, six hundred twenty-five thousand, two hundred forty-one".