4721603055625 has 45 divisors (see below), whose sum is σ = 6169427817553. Its totient is φ = 3612096686000.

The previous prime is 4721603055619. The next prime is 4721603055629. The reversal of 4721603055625 is 5265503061274.

It is a happy number.

The square root of 4721603055625 is 2172925.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 370173679561 + 4351429376064 = 608419^2 + 2086008^2 .

It is not a de Polignac number, because 4721603055625 - 2⁵ = 4721603055593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4721603055629) 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 44 ways as a sum of consecutive naturals, for example, 1249429986 + ... + 1249433764.

Almost surely, 2^{4721603055625} is an apocalyptic number.

4721603055625 is the 2172925-th square number.

4721603055625 is the 1086463-rd centered octagonal number.

It is an amenable number.

4721603055625 is a deficient number, since it is larger than the sum of its proper divisors (1447824761928).

4721603055625 is an frugal number, since it uses more digits than its factorization.

4721603055625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7624 (or 3807 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 46.

The spelling of 4721603055625 in words is "four trillion, seven hundred twenty-one billion, six hundred three million, fifty-five thousand, six hundred twenty-five".