245511479 has 2 divisors, whose sum is σ = 245511480. Its totient is φ = 245511478.

The previous prime is 245511463. The next prime is 245511481. The reversal of 245511479 is 974115542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245511479 - 2⁴ = 245511463 is a prime.

Together with 245511481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245511779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122755739 + 122755740.

It is an arithmetic number, because the mean of its divisors is an integer number (122755740).

Almost surely, 2^245511479 is an apocalyptic number.

245511479 is a deficient number, since it is larger than the sum of its proper divisors (1).

245511479 is an equidigital number, since it uses as much as digits as its factorization.

245511479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 38.

The square root of 245511479 is about 15668.8059213202. The cubic root of 245511479 is about 626.1676127437.

The spelling of 245511479 in words is "two hundred forty-five million, five hundred eleven thousand, four hundred seventy-nine".