215452103 has 2 divisors, whose sum is σ = 215452104. Its totient is φ = 215452102.

The previous prime is 215452099. The next prime is 215452123. The reversal of 215452103 is 301254512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 215452103 - 2² = 215452099 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215452123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107726051 + 107726052.

It is an arithmetic number, because the mean of its divisors is an integer number (107726052).

Almost surely, 2^215452103 is an apocalyptic number.

215452103 is a deficient number, since it is larger than the sum of its proper divisors (1).

215452103 is an equidigital number, since it uses as much as digits as its factorization.

215452103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 215452103 is about 14678.2867869517. The cubic root of 215452103 is about 599.4922584150.

The spelling of 215452103 in words is "two hundred fifteen million, four hundred fifty-two thousand, one hundred three".