542208551 has 2 divisors, whose sum is σ = 542208552. Its totient is φ = 542208550.

The previous prime is 542208547. The next prime is 542208587. The reversal of 542208551 is 155802245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542208551 - 2² = 542208547 is a prime.

It is a super-2 number, since 2×542208551² = 587980225555039202, 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 (542208151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271104275 + 271104276.

It is an arithmetic number, because the mean of its divisors is an integer number (271104276).

Almost surely, 2^542208551 is an apocalyptic number.

542208551 is a deficient number, since it is larger than the sum of its proper divisors (1).

542208551 is an equidigital number, since it uses as much as digits as its factorization.

542208551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 542208551 is about 23285.3720391150. The cubic root of 542208551 is about 815.4339470813.

The spelling of 542208551 in words is "five hundred forty-two million, two hundred eight thousand, five hundred fifty-one".