245134427 has 2 divisors, whose sum is σ = 245134428. Its totient is φ = 245134426.

The previous prime is 245134397. The next prime is 245134433. The reversal of 245134427 is 724431542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245134427 - 2⁶ = 245134363 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 245134393 and 245134402.

It is not a weakly prime, because it can be changed into another prime (245134027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122567213 + 122567214.

It is an arithmetic number, because the mean of its divisors is an integer number (122567214).

Almost surely, 2^245134427 is an apocalyptic number.

245134427 is a deficient number, since it is larger than the sum of its proper divisors (1).

245134427 is an equidigital number, since it uses as much as digits as its factorization.

245134427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 32.

The square root of 245134427 is about 15656.7693666350. The cubic root of 245134427 is about 625.8468962817.

Adding to 245134427 its reverse (724431542), we get a palindrome (969565969).

The spelling of 245134427 in words is "two hundred forty-five million, one hundred thirty-four thousand, four hundred twenty-seven".