61602523 has 2 divisors, whose sum is σ = 61602524. Its totient is φ = 61602522.

The previous prime is 61602481. The next prime is 61602539. The reversal of 61602523 is 32520616.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61602523 is a prime.

It is not a weakly prime, because it can be changed into another prime (61602553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30801261 + 30801262.

It is an arithmetic number, because the mean of its divisors is an integer number (30801262).

Almost surely, 2^61602523 is an apocalyptic number.

61602523 is a deficient number, since it is larger than the sum of its proper divisors (1).

61602523 is an equidigital number, since it uses as much as digits as its factorization.

61602523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 61602523 is about 7848.7274764767. The cubic root of 61602523 is about 394.9415562733.

The spelling of 61602523 in words is "sixty-one million, six hundred two thousand, five hundred twenty-three".