245401013 has 24 divisors (see below), whose sum is σ = 292981536. Its totient is φ = 203736000.

The previous prime is 245400997. The next prime is 245401021. The reversal of 245401013 is 310104542.

It is not a de Polignac number, because 245401013 - 2⁴ = 245400997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245401813) 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 23 ways as a sum of consecutive naturals, for example, 187106 + ... + 188412.

It is an arithmetic number, because the mean of its divisors is an integer number (12207564).

Almost surely, 2^245401013 is an apocalyptic number.

It is an amenable number.

245401013 is a deficient number, since it is larger than the sum of its proper divisors (47580523).

245401013 is a wasteful number, since it uses less digits than its factorization.

245401013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445 (or 1432 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 245401013 is about 15665.2804954141. The cubic root of 245401013 is about 626.0736855560.

Adding to 245401013 its reverse (310104542), we get a palindrome (555505555).

The spelling of 245401013 in words is "two hundred forty-five million, four hundred one thousand, thirteen".