245421359 has 2 divisors, whose sum is σ = 245421360. Its totient is φ = 245421358.

The previous prime is 245421331. The next prime is 245421383. The reversal of 245421359 is 953124542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245421359 - 2⁸ = 245421103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245421559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122710679 + 122710680.

It is an arithmetic number, because the mean of its divisors is an integer number (122710680).

Almost surely, 2^245421359 is an apocalyptic number.

245421359 is a deficient number, since it is larger than the sum of its proper divisors (1).

245421359 is an equidigital number, since it uses as much as digits as its factorization.

245421359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 35.

The square root of 245421359 is about 15665.9298798380. The cubic root of 245421359 is about 626.0909874993.

The spelling of 245421359 in words is "two hundred forty-five million, four hundred twenty-one thousand, three hundred fifty-nine".