245505401 has 8 divisors (see below), whose sum is σ = 248357664. Its totient is φ = 242663680.

The previous prime is 245505391. The next prime is 245505439. The reversal of 245505401 is 104505542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245505401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245505301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50201 + ... + 54873.

It is an arithmetic number, because the mean of its divisors is an integer number (31044708).

Almost surely, 2^245505401 is an apocalyptic number.

It is an amenable number.

245505401 is a deficient number, since it is larger than the sum of its proper divisors (2852263).

245505401 is a wasteful number, since it uses less digits than its factorization.

245505401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5271.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 245505401 is about 15668.6119678802. The cubic root of 245505401 is about 626.1624454658.

The spelling of 245505401 in words is "two hundred forty-five million, five hundred five thousand, four hundred one".