213125054 has 4 divisors (see below), whose sum is σ = 319687584. Its totient is φ = 106562526.

The previous prime is 213125053. The next prime is 213125111. The reversal of 213125054 is 450521312.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213125053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53281262 + ... + 53281265.

It is an arithmetic number, because the mean of its divisors is an integer number (79921896).

Almost surely, 2^213125054 is an apocalyptic number.

213125054 is a deficient number, since it is larger than the sum of its proper divisors (106562530).

213125054 is a wasteful number, since it uses less digits than its factorization.

213125054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106562529.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 213125054 is about 14598.8031701232. The cubic root of 213125054 is about 597.3261145587.

Adding to 213125054 its reverse (450521312), we get a palindrome (663646366).

The spelling of 213125054 in words is "two hundred thirteen million, one hundred twenty-five thousand, fifty-four".