115213451 has 2 divisors, whose sum is σ = 115213452. Its totient is φ = 115213450.

The previous prime is 115213447. The next prime is 115213477. The reversal of 115213451 is 154312511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115213451 - 2² = 115213447 is a prime.

It is not a weakly prime, because it can be changed into another prime (115213481) 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, 57606725 + 57606726.

It is an arithmetic number, because the mean of its divisors is an integer number (57606726).

Almost surely, 2^115213451 is an apocalyptic number.

115213451 is a deficient number, since it is larger than the sum of its proper divisors (1).

115213451 is an equidigital number, since it uses as much as digits as its factorization.

115213451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 23.

The square root of 115213451 is about 10733.7528851749. The cubic root of 115213451 is about 486.5950968021.

Adding to 115213451 its reverse (154312511), we get a palindrome (269525962).

The spelling of 115213451 in words is "one hundred fifteen million, two hundred thirteen thousand, four hundred fifty-one".