305252797 has 2 divisors, whose sum is σ = 305252798. Its totient is φ = 305252796.

The previous prime is 305252741. The next prime is 305252807. The reversal of 305252797 is 797252503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187443481 + 117809316 = 13691^2 + 10854^2 .

It is a cyclic number.

It is not a de Polignac number, because 305252797 - 2¹⁵ = 305220029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (305252707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152626398 + 152626399.

It is an arithmetic number, because the mean of its divisors is an integer number (152626399).

Almost surely, 2^305252797 is an apocalyptic number.

It is an amenable number.

305252797 is a deficient number, since it is larger than the sum of its proper divisors (1).

305252797 is an equidigital number, since it uses as much as digits as its factorization.

305252797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 305252797 is about 17471.4852545512. The cubic root of 305252797 is about 673.3174717424.

The spelling of 305252797 in words is "three hundred five million, two hundred fifty-two thousand, seven hundred ninety-seven".