245302381 has 2 divisors, whose sum is σ = 245302382. Its totient is φ = 245302380.

The previous prime is 245302363. The next prime is 245302399. The reversal of 245302381 is 183203542.

It is a balanced prime because it is at equal distance from previous prime (245302363) and next prime (245302399).

It can be written as a sum of positive squares in only one way, i.e., 181845225 + 63457156 = 13485^2 + 7966^2 .

It is a cyclic number.

It is not a de Polignac number, because 245302381 - 2¹⁷ = 245171309 is a prime.

It is a super-2 number, since 2×245302381² = 120346516248538322, which contains 22 as substring.

It is equal to p_13436335 and since 245302381 and 13436335 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245302181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122651190 + 122651191.

It is an arithmetic number, because the mean of its divisors is an integer number (122651191).

Almost surely, 2^245302381 is an apocalyptic number.

It is an amenable number.

245302381 is a deficient number, since it is larger than the sum of its proper divisors (1).

245302381 is an equidigital number, since it uses as much as digits as its factorization.

245302381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 245302381 is about 15662.1320706984. The cubic root of 245302381 is about 625.9897967763.

The spelling of 245302381 in words is "two hundred forty-five million, three hundred two thousand, three hundred eighty-one".