212713553 has 8 divisors (see below), whose sum is σ = 230344296. Its totient is φ = 195264000.

The previous prime is 212713547. The next prime is 212713559. The reversal of 212713553 is 355317212.

It is an interprime number because it is at equal distance from previous prime (212713547) and next prime (212713559).

It can be written as a sum of positive squares in 4 ways, for example, as 15816529 + 196897024 = 3977^2 + 14032^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212713553 - 2⁶ = 212713489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212713559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42848 + ... + 47553.

It is an arithmetic number, because the mean of its divisors is an integer number (28793037).

Almost surely, 2^212713553 is an apocalyptic number.

It is an amenable number.

212713553 is a deficient number, since it is larger than the sum of its proper divisors (17630743).

212713553 is a wasteful number, since it uses less digits than its factorization.

212713553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90595.

The product of its digits is 6300, while the sum is 29.

The square root of 212713553 is about 14584.7027052319. The cubic root of 212713553 is about 596.9414285797.

The spelling of 212713553 in words is "two hundred twelve million, seven hundred thirteen thousand, five hundred fifty-three".