61250299 has 4 divisors (see below), whose sum is σ = 66818520. Its totient is φ = 55682080.

The previous prime is 61250297. The next prime is 61250309. The reversal of 61250299 is 99205216.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61250299 - 2¹ = 61250297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61250297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2784094 + ... + 2784115.

It is an arithmetic number, because the mean of its divisors is an integer number (16704630).

Almost surely, 2^61250299 is an apocalyptic number.

61250299 is a deficient number, since it is larger than the sum of its proper divisors (5568221).

61250299 is a wasteful number, since it uses less digits than its factorization.

61250299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5568220.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 61250299 is about 7826.2570236352. The cubic root of 61250299 is about 394.1873995792.

The spelling of 61250299 in words is "sixty-one million, two hundred fifty thousand, two hundred ninety-nine".