61255303 has 4 divisors (see below), whose sum is σ = 61702560. Its totient is φ = 60808048.

The previous prime is 61255291. The next prime is 61255307. The reversal of 61255303 is 30355216.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61255303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61255307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223423 + ... + 223696.

It is an arithmetic number, because the mean of its divisors is an integer number (15425640).

Almost surely, 2^61255303 is an apocalyptic number.

61255303 is a deficient number, since it is larger than the sum of its proper divisors (447257).

61255303 is a wasteful number, since it uses less digits than its factorization.

61255303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447256.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 61255303 is about 7826.5767101588. The cubic root of 61255303 is about 394.1981340032.

The spelling of 61255303 in words is "sixty-one million, two hundred fifty-five thousand, three hundred three".