245981419 has 2 divisors, whose sum is σ = 245981420. Its totient is φ = 245981418.

The previous prime is 245981399. The next prime is 245981423. The reversal of 245981419 is 914189542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245981419 - 2⁵ = 245981387 is a prime.

It is a super-2 number, since 2×245981419² = 121013716986507122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (245931419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122990709 + 122990710.

It is an arithmetic number, because the mean of its divisors is an integer number (122990710).

Almost surely, 2^245981419 is an apocalyptic number.

245981419 is a deficient number, since it is larger than the sum of its proper divisors (1).

245981419 is an equidigital number, since it uses as much as digits as its factorization.

245981419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 43.

The square root of 245981419 is about 15683.7947895272. The cubic root of 245981419 is about 626.5668794196.

The spelling of 245981419 in words is "two hundred forty-five million, nine hundred eighty-one thousand, four hundred nineteen".