540241951 has 2 divisors, whose sum is σ = 540241952. Its totient is φ = 540241950.

The previous prime is 540241939. The next prime is 540241993. The reversal of 540241951 is 159142045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540241951 - 2²¹ = 538144799 is a prime.

It is a super-2 number, since 2×540241951² = 583722731240572802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540241151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270120975 + 270120976.

It is an arithmetic number, because the mean of its divisors is an integer number (270120976).

Almost surely, 2^540241951 is an apocalyptic number.

540241951 is a deficient number, since it is larger than the sum of its proper divisors (1).

540241951 is an equidigital number, since it uses as much as digits as its factorization.

540241951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 540241951 is about 23243.1054508643. The cubic root of 540241951 is about 814.4468883105.

Adding to 540241951 its reverse (159142045), we get a palindrome (699383996).

The spelling of 540241951 in words is "five hundred forty million, two hundred forty-one thousand, nine hundred fifty-one".