245051401 has 6 divisors (see below), whose sum is σ = 285059850. Its totient is φ = 210044016.

The previous prime is 245051393. The next prime is 245051423. The reversal of 245051401 is 104150542.

It can be written as a sum of positive squares in only one way, i.e., 222725776 + 22325625 = 14924^2 + 4725^2 .

It is not a de Polignac number, because 245051401 - 2³ = 245051393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245051431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2500476 + ... + 2500573.

It is an arithmetic number, because the mean of its divisors is an integer number (47509975).

Almost surely, 2^245051401 is an apocalyptic number.

It is an amenable number.

245051401 is a deficient number, since it is larger than the sum of its proper divisors (40008449).

245051401 is an equidigital number, since it uses as much as digits as its factorization.

245051401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001063 (or 5001056 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 245051401 is about 15654.1177011034. The cubic root of 245051401 is about 625.7762310654.

The spelling of 245051401 in words is "two hundred forty-five million, fifty-one thousand, four hundred one".