542305451 has 2 divisors, whose sum is σ = 542305452. Its totient is φ = 542305450.

The previous prime is 542305441. The next prime is 542305471. The reversal of 542305451 is 154503245.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542305451 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (542305441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271152725 + 271152726.

It is an arithmetic number, because the mean of its divisors is an integer number (271152726).

Almost surely, 2^542305451 is an apocalyptic number.

542305451 is a deficient number, since it is larger than the sum of its proper divisors (1).

542305451 is an equidigital number, since it uses as much as digits as its factorization.

542305451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 542305451 is about 23287.4526515890. The cubic root of 542305451 is about 815.4825205454.

Adding to 542305451 its reverse (154503245), we get a palindrome (696808696).

The spelling of 542305451 in words is "five hundred forty-two million, three hundred five thousand, four hundred fifty-one".