213880553 has 6 divisors (see below), whose sum is σ = 226525626. Its totient is φ = 201242592.

The previous prime is 213880531. The next prime is 213880567. The reversal of 213880553 is 355088312.

It can be written as a sum of positive squares in only one way, i.e., 201299344 + 12581209 = 14188^2 + 3547^2 .

It is not a de Polignac number, because 213880553 - 2⁸ = 213880297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213880523) 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, 58526 + ... + 62072.

It is an arithmetic number, because the mean of its divisors is an integer number (37754271).

Almost surely, 2^213880553 is an apocalyptic number.

It is an amenable number.

213880553 is a deficient number, since it is larger than the sum of its proper divisors (12645073).

213880553 is an frugal number, since it uses more digits than its factorization.

213880553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7111 (or 3564 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 213880553 is about 14624.6556540658. The cubic root of 213880553 is about 598.0310951642.

The spelling of 213880553 in words is "two hundred thirteen million, eight hundred eighty thousand, five hundred fifty-three".