213532761 has 8 divisors (see below), whose sum is σ = 306611200. Its totient is φ = 131404752.

The previous prime is 213532687. The next prime is 213532783. The reversal of 213532761 is 167235312.

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

It is not a de Polignac number, because 213532761 - 2¹⁴ = 213516377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213532861) 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, 2737561 + ... + 2737638.

It is an arithmetic number, because the mean of its divisors is an integer number (38326400).

Almost surely, 2^213532761 is an apocalyptic number.

It is an amenable number.

213532761 is a deficient number, since it is larger than the sum of its proper divisors (93078439).

213532761 is a wasteful number, since it uses less digits than its factorization.

213532761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475215.

The product of its digits is 7560, while the sum is 30.

The square root of 213532761 is about 14612.7602115411. The cubic root of 213532761 is about 597.7067657388.

The spelling of 213532761 in words is "two hundred thirteen million, five hundred thirty-two thousand, seven hundred sixty-one".