542450651 has 2 divisors, whose sum is σ = 542450652. Its totient is φ = 542450650.

The previous prime is 542450647. The next prime is 542450677. The reversal of 542450651 is 156054245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542450651 - 2² = 542450647 is a prime.

It is a super-3 number, since 3×542450651³ (a number of 27 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (542450611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271225325 + 271225326.

It is an arithmetic number, because the mean of its divisors is an integer number (271225326).

Almost surely, 2^542450651 is an apocalyptic number.

542450651 is a deficient number, since it is larger than the sum of its proper divisors (1).

542450651 is an equidigital number, since it uses as much as digits as its factorization.

542450651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 542450651 is about 23290.5700016122. The cubic root of 542450651 is about 815.5552947207. Note that the first 3 decimals are identical.

The spelling of 542450651 in words is "five hundred forty-two million, four hundred fifty thousand, six hundred fifty-one".