245175131 has 2 divisors, whose sum is σ = 245175132. Its totient is φ = 245175130.

The previous prime is 245175109. The next prime is 245175137. The reversal of 245175131 is 131571542.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245175131 is a prime.

It is a super-2 number, since 2×245175131² = 120221689721734322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 245175094 and 245175103.

It is not a weakly prime, because it can be changed into another prime (245175137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122587565 + 122587566.

It is an arithmetic number, because the mean of its divisors is an integer number (122587566).

Almost surely, 2^245175131 is an apocalyptic number.

245175131 is a deficient number, since it is larger than the sum of its proper divisors (1).

245175131 is an equidigital number, since it uses as much as digits as its factorization.

245175131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4200, while the sum is 29.

The square root of 245175131 is about 15658.0691977012. The cubic root of 245175131 is about 625.8815345038.

The spelling of 245175131 in words is "two hundred forty-five million, one hundred seventy-five thousand, one hundred thirty-one".