4752621225 has 72 divisors (see below), whose sum is σ = 9502507872. Its totient is φ = 2250662400.

The previous prime is 4752621199. The next prime is 4752621233. The reversal of 4752621225 is 5221262574.

4752621225 is a `hidden beast` number, since 4 + 7 + 5 + 2 + 621 + 2 + 25 = 666.

It is not a de Polignac number, because 4752621225 - 2¹⁴ = 4752604841 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4752621225.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 84097 + ... + 128753.

It is an arithmetic number, because the mean of its divisors is an integer number (131979276).

Almost surely, 2^4752621225 is an apocalyptic number.

4752621225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4752621225 is a deficient number, since it is larger than the sum of its proper divisors (4749886647).

4752621225 is a wasteful number, since it uses less digits than its factorization.

4752621225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44727 (or 44719 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 4752621225 is about 68939.2575025290. The cubic root of 4752621225 is about 1681.2968568543.

Adding to 4752621225 its reverse (5221262574), we get a palindrome (9973883799).

The spelling of 4752621225 in words is "four billion, seven hundred fifty-two million, six hundred twenty-one thousand, two hundred twenty-five".