61284763 has 2 divisors, whose sum is σ = 61284764. Its totient is φ = 61284762.

The previous prime is 61284733. The next prime is 61284781. The reversal of 61284763 is 36748216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61284763 - 2¹³ = 61276571 is a prime.

It is not a weakly prime, because it can be changed into another prime (61284733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30642381 + 30642382.

It is an arithmetic number, because the mean of its divisors is an integer number (30642382).

Almost surely, 2^61284763 is an apocalyptic number.

61284763 is a deficient number, since it is larger than the sum of its proper divisors (1).

61284763 is an equidigital number, since it uses as much as digits as its factorization.

61284763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The square root of 61284763 is about 7828.4585328147. The cubic root of 61284763 is about 394.2613188227.

The spelling of 61284763 in words is "sixty-one million, two hundred eighty-four thousand, seven hundred sixty-three".