245511053 has 4 divisors (see below), whose sum is σ = 246757500. Its totient is φ = 244264608.

The previous prime is 245511023. The next prime is 245511061. The reversal of 245511053 is 350115542.

245511053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 213949129 + 31561924 = 14627^2 + 5618^2 .

It is a cyclic number.

It is not a de Polignac number, because 245511053 - 2²² = 241316749 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 (245511023) 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, 622928 + ... + 623321.

It is an arithmetic number, because the mean of its divisors is an integer number (61689375).

Almost surely, 2^245511053 is an apocalyptic number.

It is an amenable number.

245511053 is a deficient number, since it is larger than the sum of its proper divisors (1246447).

245511053 is a wasteful number, since it uses less digits than its factorization.

245511053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246446.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 245511053 is about 15668.7923274259. The cubic root of 245511053 is about 626.1672505780.

Adding to 245511053 its reverse (350115542), we get a palindrome (595626595).

The spelling of 245511053 in words is "two hundred forty-five million, five hundred eleven thousand, fifty-three".