245225405401 has 4 divisors (see below), whose sum is σ = 245334348304. Its totient is φ = 245116462500.

The previous prime is 245225405351. The next prime is 245225405423. The reversal of 245225405401 is 104504522542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245225405401 - 2⁷ = 245225405273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245225405461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54468075 + ... + 54472576.

It is an arithmetic number, because the mean of its divisors is an integer number (61333587076).

Almost surely, 2^245225405401 is an apocalyptic number.

It is an amenable number.

245225405401 is a deficient number, since it is larger than the sum of its proper divisors (108942903).

245225405401 is a wasteful number, since it uses less digits than its factorization.

245225405401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108942902.

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 245225405401 its reverse (104504522542), we get a palindrome (349729927943).

The spelling of 245225405401 in words is "two hundred forty-five billion, two hundred twenty-five million, four hundred five thousand, four hundred one".