215414029 has 2 divisors, whose sum is σ = 215414030. Its totient is φ = 215414028.

The previous prime is 215414027. The next prime is 215414053. The reversal of 215414029 is 920414512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119902500 + 95511529 = 10950^2 + 9773^2 .

It is a cyclic number.

It is not a de Polignac number, because 215414029 - 2¹ = 215414027 is a prime.

Together with 215414027, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 215413988 and 215414006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215414027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107707014 + 107707015.

It is an arithmetic number, because the mean of its divisors is an integer number (107707015).

Almost surely, 2^215414029 is an apocalyptic number.

It is an amenable number.

215414029 is a deficient number, since it is larger than the sum of its proper divisors (1).

215414029 is an equidigital number, since it uses as much as digits as its factorization.

215414029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 215414029 is about 14676.9897799242. The cubic root of 215414029 is about 599.4569428892.

The spelling of 215414029 in words is "two hundred fifteen million, four hundred fourteen thousand, twenty-nine".