4978572481 has 9 divisors (see below), whose sum is σ = 5119449699. Its totient is φ = 4841476344.

The previous prime is 4978572461. The next prime is 4978572499. The reversal of 4978572481 is 1842758794.

The square root of 4978572481 is 70559.

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

It can be written as a sum of positive squares in only one way, i.e., 4454895025 + 523677456 = 66745^2 + 22884^2 .

It is not a de Polignac number, because 4978572481 - 2⁵ = 4978572449 is a prime.

It is a super-2 number, since 2×4978572481² = 49572367897140990722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4978572461) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2609730 + ... + 2611636.

Almost surely, 2^4978572481 is an apocalyptic number.

4978572481 is the 70559-th square number.

4978572481 is the 35280-th centered octagonal number.

It is an amenable number.

4978572481 is a deficient number, since it is larger than the sum of its proper divisors (140877218).

4978572481 is an frugal number, since it uses more digits than its factorization.

4978572481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3888 (or 1944 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 55.

The cubic root of 4978572481 is about 1707.5297461353.

The spelling of 4978572481 in words is "four billion, nine hundred seventy-eight million, five hundred seventy-two thousand, four hundred eighty-one".