213153501 has 8 divisors (see below), whose sum is σ = 310041504. Its totient is φ = 129183920.

The previous prime is 213153481. The next prime is 213153527. The reversal of 213153501 is 105351312.

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 213153501 - 2⁵ = 213153469 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213153901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3229566 + ... + 3229631.

It is an arithmetic number, because the mean of its divisors is an integer number (38755188).

Almost surely, 2^213153501 is an apocalyptic number.

It is an amenable number.

213153501 is a deficient number, since it is larger than the sum of its proper divisors (96888003).

213153501 is a wasteful number, since it uses less digits than its factorization.

213153501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6459211.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 213153501 is about 14599.7774298104. Note that the first 3 decimals coincide. The cubic root of 213153501 is about 597.3526895353.

The spelling of 213153501 in words is "two hundred thirteen million, one hundred fifty-three thousand, five hundred one".