213025157 has 2 divisors, whose sum is σ = 213025158. Its totient is φ = 213025156.

The previous prime is 213025133. The next prime is 213025187. The reversal of 213025157 is 751520312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141943396 + 71081761 = 11914^2 + 8431^2 .

It is a cyclic number.

It is not a de Polignac number, because 213025157 - 2²⁰ = 211976581 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 (213025117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106512578 + 106512579.

It is an arithmetic number, because the mean of its divisors is an integer number (106512579).

Almost surely, 2^213025157 is an apocalyptic number.

It is an amenable number.

213025157 is a deficient number, since it is larger than the sum of its proper divisors (1).

213025157 is an equidigital number, since it uses as much as digits as its factorization.

213025157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 213025157 is about 14595.3813584983. The cubic root of 213025157 is about 597.2327727838.

Adding to 213025157 its reverse (751520312), we get a palindrome (964545469).

The spelling of 213025157 in words is "two hundred thirteen million, twenty-five thousand, one hundred fifty-seven".