245314493 has 2 divisors, whose sum is σ = 245314494. Its totient is φ = 245314492.

The previous prime is 245314457. The next prime is 245314499. The reversal of 245314493 is 394413542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131721529 + 113592964 = 11477^2 + 10658^2 .

It is a cyclic number.

It is not a de Polignac number, because 245314493 - 2¹⁶ = 245248957 is a prime.

It is a super-3 number, since 3×245314493³ (a number of 26 digits) contains 333 as substring.

It is equal to p_13436936 and since 245314493 and 13436936 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 (245314499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122657246 + 122657247.

It is an arithmetic number, because the mean of its divisors is an integer number (122657247).

Almost surely, 2^245314493 is an apocalyptic number.

It is an amenable number.

245314493 is a deficient number, since it is larger than the sum of its proper divisors (1).

245314493 is an equidigital number, since it uses as much as digits as its factorization.

245314493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 35.

The square root of 245314493 is about 15662.5187310343. The cubic root of 245314493 is about 626.0000995213. Note that the first 4 decimals are identical.

The spelling of 245314493 in words is "two hundred forty-five million, three hundred fourteen thousand, four hundred ninety-three".