245291427 has 6 divisors (see below), whose sum is σ = 354309852. Its totient is φ = 163527612.

The previous prime is 245291407. The next prime is 245291443. The reversal of 245291427 is 724192542.

It is not a de Polignac number, because 245291427 - 2⁸ = 245291171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245291391 and 245291400.

It is not an unprimeable number, because it can be changed into a prime (245291407) 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, 13627293 + ... + 13627310.

It is an arithmetic number, because the mean of its divisors is an integer number (59051642).

Almost surely, 2^245291427 is an apocalyptic number.

245291427 is a deficient number, since it is larger than the sum of its proper divisors (109018425).

245291427 is a wasteful number, since it uses less digits than its factorization.

245291427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27254609 (or 27254606 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 245291427 is about 15661.7823698326. The cubic root of 245291427 is about 625.9804787606.

The spelling of 245291427 in words is "two hundred forty-five million, two hundred ninety-one thousand, four hundred twenty-seven".