245120313401 has 4 divisors (see below), whose sum is σ = 245140856400. Its totient is φ = 245099770404.

The previous prime is 245120313391. The next prime is 245120313407. The reversal of 245120313401 is 104313021542.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 104313021542 = 2 ⋅52156510771.

It is a cyclic number.

It is not a de Polignac number, because 245120313401 - 2²⁶ = 245053204537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245120313407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10253591 + ... + 10277468.

It is an arithmetic number, because the mean of its divisors is an integer number (61285214100).

Almost surely, 2^245120313401 is an apocalyptic number.

It is an amenable number.

245120313401 is a deficient number, since it is larger than the sum of its proper divisors (20542999).

245120313401 is a wasteful number, since it uses less digits than its factorization.

245120313401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20542998.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 245120313401 its reverse (104313021542), we get a palindrome (349433334943).

The spelling of 245120313401 in words is "two hundred forty-five billion, one hundred twenty million, three hundred thirteen thousand, four hundred one".