61288303 has 2 divisors, whose sum is σ = 61288304. Its totient is φ = 61288302.

The previous prime is 61288301. The next prime is 61288309. The reversal of 61288303 is 30388216.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61288303 - 2¹ = 61288301 is a prime.

Together with 61288301, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61288301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30644151 + 30644152.

It is an arithmetic number, because the mean of its divisors is an integer number (30644152).

Almost surely, 2^61288303 is an apocalyptic number.

61288303 is a deficient number, since it is larger than the sum of its proper divisors (1).

61288303 is an equidigital number, since it uses as much as digits as its factorization.

61288303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 61288303 is about 7828.6846277009. The cubic root of 61288303 is about 394.2689099331.

The spelling of 61288303 in words is "sixty-one million, two hundred eighty-eight thousand, three hundred three".