213897053 has 2 divisors, whose sum is σ = 213897054. Its totient is φ = 213897052.

The previous prime is 213896989. The next prime is 213897091. The reversal of 213897053 is 350798312.

It is an a-pointer prime, because the next prime (213897091) can be obtained adding 213897053 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192571129 + 21325924 = 13877^2 + 4618^2 .

It is a cyclic number.

It is not a de Polignac number, because 213897053 - 2⁶ = 213896989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213896998 and 213897016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213897253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106948526 + 106948527.

It is an arithmetic number, because the mean of its divisors is an integer number (106948527).

Almost surely, 2^213897053 is an apocalyptic number.

It is an amenable number.

213897053 is a deficient number, since it is larger than the sum of its proper divisors (1).

213897053 is an equidigital number, since it uses as much as digits as its factorization.

213897053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 213897053 is about 14625.2197590327. The cubic root of 213897053 is about 598.0464733106.

The spelling of 213897053 in words is "two hundred thirteen million, eight hundred ninety-seven thousand, fifty-three".