5573621461 has 2 divisors, whose sum is σ = 5573621462. Its totient is φ = 5573621460.

The previous prime is 5573621437. The next prime is 5573621491. The reversal of 5573621461 is 1641263755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3709540836 + 1864080625 = 60906^2 + 43175^2 .

It is a cyclic number.

It is not a de Polignac number, because 5573621461 - 2²³ = 5565232853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5573621401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2786810730 + 2786810731.

It is an arithmetic number, because the mean of its divisors is an integer number (2786810731).

Almost surely, 2^5573621461 is an apocalyptic number.

It is an amenable number.

5573621461 is a deficient number, since it is larger than the sum of its proper divisors (1).

5573621461 is an equidigital number, since it uses as much as digits as its factorization.

5573621461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 40.

The square root of 5573621461 is about 74656.6906646685. The cubic root of 5573621461 is about 1773.0153270152.

The spelling of 5573621461 in words is "five billion, five hundred seventy-three million, six hundred twenty-one thousand, four hundred sixty-one".