5620421524 has 6 divisors (see below), whose sum is σ = 9835737674. Its totient is φ = 2810210760.

The previous prime is 5620421503. The next prime is 5620421533. The reversal of 5620421524 is 4251240265.

It can be written as a sum of positive squares in only one way, i.e., 5614804624 + 5616900 = 74932^2 + 2370^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702552687 + ... + 702552694.

Almost surely, 2^5620421524 is an apocalyptic number.

It is an amenable number.

5620421524 is a deficient number, since it is larger than the sum of its proper divisors (4215316150).

5620421524 is a wasteful number, since it uses less digits than its factorization.

5620421524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405105385 (or 1405105383 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 5620421524 is about 74969.4706130435. The cubic root of 5620421524 is about 1777.9639982875.

Adding to 5620421524 its reverse (4251240265), we get a palindrome (9871661789).

The spelling of 5620421524 in words is "five billion, six hundred twenty million, four hundred twenty-one thousand, five hundred twenty-four".