213095149 has 2 divisors, whose sum is σ = 213095150. Its totient is φ = 213095148.

The previous prime is 213095137. The next prime is 213095177. The reversal of 213095149 is 941590312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192709924 + 20385225 = 13882^2 + 4515^2 .

It is a cyclic number.

It is not a de Polignac number, because 213095149 - 2⁵ = 213095117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213095189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106547574 + 106547575.

It is an arithmetic number, because the mean of its divisors is an integer number (106547575).

Almost surely, 2^213095149 is an apocalyptic number.

It is an amenable number.

213095149 is a deficient number, since it is larger than the sum of its proper divisors (1).

213095149 is an equidigital number, since it uses as much as digits as its factorization.

213095149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 213095149 is about 14597.7789063953. The cubic root of 213095149 is about 597.2981749794.

It can be divided in two parts, 2130 and 95149, that added together give a palindrome (97279).

The spelling of 213095149 in words is "two hundred thirteen million, ninety-five thousand, one hundred forty-nine".