245765401 has 32 divisors (see below), whose sum is σ = 299980800. Its totient is φ = 196922880.

The previous prime is 245765381. The next prime is 245765417. The reversal of 245765401 is 104567542.

It is not a de Polignac number, because 245765401 - 2¹³ = 245757209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245765431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1101976 + ... + 1102198.

It is an arithmetic number, because the mean of its divisors is an integer number (9374400).

Almost surely, 2^245765401 is an apocalyptic number.

It is an amenable number.

245765401 is a deficient number, since it is larger than the sum of its proper divisors (54215399).

245765401 is a wasteful number, since it uses less digits than its factorization.

245765401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 245765401 is about 15676.9066145079. The cubic root of 245765401 is about 626.3834111385.

The spelling of 245765401 in words is "two hundred forty-five million, seven hundred sixty-five thousand, four hundred one".