61528349 has 2 divisors, whose sum is σ = 61528350. Its totient is φ = 61528348.

The previous prime is 61528339. The next prime is 61528367. The reversal of 61528349 is 94382516.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58828900 + 2699449 = 7670^2 + 1643^2 .

It is a cyclic number.

It is not a de Polignac number, because 61528349 - 2⁴ = 61528333 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_3647369 and since 61528349 and 3647369 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61528309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30764174 + 30764175.

It is an arithmetic number, because the mean of its divisors is an integer number (30764175).

Almost surely, 2^61528349 is an apocalyptic number.

It is an amenable number.

61528349 is a deficient number, since it is larger than the sum of its proper divisors (1).

61528349 is an equidigital number, since it uses as much as digits as its factorization.

61528349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 38.

The square root of 61528349 is about 7844.0008286588. Note that the first 3 decimals coincide. The cubic root of 61528349 is about 394.7829796492.

The spelling of 61528349 in words is "sixty-one million, five hundred twenty-eight thousand, three hundred forty-nine".