213463061 has 6 divisors (see below), whose sum is σ = 248314230. Its totient is φ = 182968296.

The previous prime is 213463057. The next prime is 213463079. The reversal of 213463061 is 160364312.

It can be written as a sum of positive squares in only one way, i.e., 123099025 + 90364036 = 11095^2 + 9506^2 .

It is not a de Polignac number, because 213463061 - 2² = 213463057 is a prime.

It is a super-2 number, since 2×213463061² = 91132956822979442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213463061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213463021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2178146 + ... + 2178243.

It is an arithmetic number, because the mean of its divisors is an integer number (41385705).

Almost surely, 2^213463061 is an apocalyptic number.

It is an amenable number.

213463061 is a deficient number, since it is larger than the sum of its proper divisors (34851169).

213463061 is an equidigital number, since it uses as much as digits as its factorization.

213463061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356403 (or 4356396 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 213463061 is about 14610.3751149654. The cubic root of 213463061 is about 597.6417254533.

The spelling of 213463061 in words is "two hundred thirteen million, four hundred sixty-three thousand, sixty-one".