115214621 has 2 divisors, whose sum is σ = 115214622. Its totient is φ = 115214620.

The previous prime is 115214581. The next prime is 115214641. The reversal of 115214621 is 126412511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90820900 + 24393721 = 9530^2 + 4939^2 .

It is a cyclic number.

It is not a de Polignac number, because 115214621 - 2⁶ = 115214557 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115214641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57607310 + 57607311.

It is an arithmetic number, because the mean of its divisors is an integer number (57607311).

Almost surely, 2^115214621 is an apocalyptic number.

It is an amenable number.

115214621 is a deficient number, since it is larger than the sum of its proper divisors (1).

115214621 is an equidigital number, since it uses as much as digits as its factorization.

115214621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 23.

The square root of 115214621 is about 10733.8073860117. The cubic root of 115214621 is about 486.5967439314.

The spelling of 115214621 in words is "one hundred fifteen million, two hundred fourteen thousand, six hundred twenty-one".