245134251 has 6 divisors (see below), whose sum is σ = 354082820. Its totient is φ = 163422828.

The previous prime is 245134231. The next prime is 245134277. The reversal of 245134251 is 152431542.

It is not a de Polignac number, because 245134251 - 2¹³ = 245126059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245134231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13618561 + ... + 13618578.

Almost surely, 2^245134251 is an apocalyptic number.

245134251 is a deficient number, since it is larger than the sum of its proper divisors (108948569).

245134251 is a wasteful number, since it uses less digits than its factorization.

245134251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27237145 (or 27237142 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 245134251 is about 15656.7637460620. The cubic root of 245134251 is about 625.8467465012.

Adding to 245134251 its reverse (152431542), we get a palindrome (397565793).

The spelling of 245134251 in words is "two hundred forty-five million, one hundred thirty-four thousand, two hundred fifty-one".