245503401 has 16 divisors (see below), whose sum is σ = 384565440. Its totient is φ = 137344320.

The previous prime is 245503397. The next prime is 245503417. The reversal of 245503401 is 104305542.

It is not a de Polignac number, because 245503401 - 2² = 245503397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245503901) 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 15 ways as a sum of consecutive naturals, for example, 285706 + ... + 286563.

It is an arithmetic number, because the mean of its divisors is an integer number (24035340).

Almost surely, 2^245503401 is an apocalyptic number.

It is an amenable number.

245503401 is a deficient number, since it is larger than the sum of its proper divisors (139062039).

245503401 is a wasteful number, since it uses less digits than its factorization.

245503401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572296.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 245503401 is about 15668.5481458877. The cubic root of 245503401 is about 626.1607451253.

Adding to 245503401 its reverse (104305542), we get a palindrome (349808943).

The spelling of 245503401 in words is "two hundred forty-five million, five hundred three thousand, four hundred one".