213601772 has 6 divisors (see below), whose sum is σ = 373803108. Its totient is φ = 106800884.

The previous prime is 213601763. The next prime is 213601783. The reversal of 213601772 is 277106312.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 26700218 + ... + 26700225.

It is an arithmetic number, because the mean of its divisors is an integer number (62300518).

Almost surely, 2^213601772 is an apocalyptic number.

It is an amenable number.

213601772 is a deficient number, since it is larger than the sum of its proper divisors (160201336).

213601772 is a wasteful number, since it uses less digits than its factorization.

213601772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53400447 (or 53400445 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 213601772 is about 14615.1213474264. The cubic root of 213601772 is about 597.7711491439.

It can be divided in two parts, 21360 and 1772, that added together give a palindrome (23132).

The spelling of 213601772 in words is "two hundred thirteen million, six hundred one thousand, seven hundred seventy-two".