61524493 has 2 divisors, whose sum is σ = 61524494. Its totient is φ = 61524492.

The previous prime is 61524487. The next prime is 61524499. The reversal of 61524493 is 39442516.

It is a happy number.

61524493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (61524487) and next prime (61524499).

It can be written as a sum of positive squares in only one way, i.e., 56520324 + 5004169 = 7518^2 + 2237^2 .

It is a cyclic number.

It is not a de Polignac number, because 61524493 - 2⁵ = 61524461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61524499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30762246 + 30762247.

It is an arithmetic number, because the mean of its divisors is an integer number (30762247).

Almost surely, 2^61524493 is an apocalyptic number.

It is an amenable number.

61524493 is a deficient number, since it is larger than the sum of its proper divisors (1).

61524493 is an equidigital number, since it uses as much as digits as its factorization.

61524493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 34.

The square root of 61524493 is about 7843.7550318709. The cubic root of 61524493 is about 394.7747324212.

The spelling of 61524493 in words is "sixty-one million, five hundred twenty-four thousand, four hundred ninety-three".