61852249 has 2 divisors, whose sum is σ = 61852250. Its totient is φ = 61852248.

The previous prime is 61852247. The next prime is 61852253. The reversal of 61852249 is 94225816.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53758224 + 8094025 = 7332^2 + 2845^2 .

It is a cyclic number.

It is not a de Polignac number, because 61852249 - 2¹ = 61852247 is a prime.

Together with 61852247, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61852247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30926124 + 30926125.

It is an arithmetic number, because the mean of its divisors is an integer number (30926125).

Almost surely, 2^61852249 is an apocalyptic number.

It is an amenable number.

61852249 is a deficient number, since it is larger than the sum of its proper divisors (1).

61852249 is an equidigital number, since it uses as much as digits as its factorization.

61852249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 37.

The square root of 61852249 is about 7864.6200798259. The cubic root of 61852249 is about 395.4745117277.

The spelling of 61852249 in words is "sixty-one million, eight hundred fifty-two thousand, two hundred forty-nine".