245133719 has 2 divisors, whose sum is σ = 245133720. Its totient is φ = 245133718.

The previous prime is 245133673. The next prime is 245133787. The reversal of 245133719 is 917331542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245133719 - 2²⁰ = 244085143 is a prime.

It is a super-2 number, since 2×245133719² = 120181080381541922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245130719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122566859 + 122566860.

It is an arithmetic number, because the mean of its divisors is an integer number (122566860).

Almost surely, 2^245133719 is an apocalyptic number.

245133719 is a deficient number, since it is larger than the sum of its proper divisors (1).

245133719 is an equidigital number, since it uses as much as digits as its factorization.

245133719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 35.

The square root of 245133719 is about 15656.7467565903. The cubic root of 245133719 is about 625.8462937551.

The spelling of 245133719 in words is "two hundred forty-five million, one hundred thirty-three thousand, seven hundred nineteen".