5427782461 has 2 divisors, whose sum is σ = 5427782462. Its totient is φ = 5427782460.

The previous prime is 5427782447. The next prime is 5427782471. The reversal of 5427782461 is 1642877245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4294180900 + 1133601561 = 65530^2 + 33669^2 .

It is a cyclic number.

It is not a de Polignac number, because 5427782461 - 2⁷ = 5427782333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5427782401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2713891230 + 2713891231.

It is an arithmetic number, because the mean of its divisors is an integer number (2713891231).

Almost surely, 2^5427782461 is an apocalyptic number.

It is an amenable number.

5427782461 is a deficient number, since it is larger than the sum of its proper divisors (1).

5427782461 is an equidigital number, since it uses as much as digits as its factorization.

5427782461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 752640, while the sum is 46.

The square root of 5427782461 is about 73673.4854679755. The cubic root of 5427782461 is about 1757.4142535901.

The spelling of 5427782461 in words is "five billion, four hundred twenty-seven million, seven hundred eighty-two thousand, four hundred sixty-one".