61384523 has 2 divisors, whose sum is σ = 61384524. Its totient is φ = 61384522.

The previous prime is 61384513. The next prime is 61384553. The reversal of 61384523 is 32548316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61384523 - 2¹⁰ = 61383499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61384523.

It is not a weakly prime, because it can be changed into another prime (61384513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30692261 + 30692262.

It is an arithmetic number, because the mean of its divisors is an integer number (30692262).

Almost surely, 2^61384523 is an apocalyptic number.

61384523 is a deficient number, since it is larger than the sum of its proper divisors (1).

61384523 is an equidigital number, since it uses as much as digits as its factorization.

61384523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 32.

The square root of 61384523 is about 7834.8275667050. The cubic root of 61384523 is about 394.4751304626.

The spelling of 61384523 in words is "sixty-one million, three hundred eighty-four thousand, five hundred twenty-three".