245627261 has 16 divisors (see below), whose sum is σ = 272616000. Its totient is φ = 219438720.

The previous prime is 245627251. The next prime is 245627267. The reversal of 245627261 is 162726542.

It is a cyclic number.

It is not a de Polignac number, because 245627261 - 2⁶ = 245627197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245627267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400391 + ... + 401003.

It is an arithmetic number, because the mean of its divisors is an integer number (17038500).

Almost surely, 2^245627261 is an apocalyptic number.

It is an amenable number.

245627261 is a deficient number, since it is larger than the sum of its proper divisors (26988739).

245627261 is a wasteful number, since it uses less digits than its factorization.

245627261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196.

The product of its digits is 40320, while the sum is 35.

The square root of 245627261 is about 15672.5001515393. The cubic root of 245627261 is about 626.2660297914.

The spelling of 245627261 in words is "two hundred forty-five million, six hundred twenty-seven thousand, two hundred sixty-one".