653553245 has 4 divisors (see below), whose sum is σ = 784263900. Its totient is φ = 522842592.

The previous prime is 653553239. The next prime is 653553293. The reversal of 653553245 is 542355356.

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 322094809 + 331458436 = 17947^2 + 18206^2 .

It is a cyclic number.

It is not a de Polignac number, because 653553245 - 2⁶ = 653553181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 653553199 and 653553208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65355320 + ... + 65355329.

It is an arithmetic number, because the mean of its divisors is an integer number (196065975).

Almost surely, 2^653553245 is an apocalyptic number.

It is an amenable number.

653553245 is a deficient number, since it is larger than the sum of its proper divisors (130710655).

653553245 is a wasteful number, since it uses less digits than its factorization.

653553245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130710654.

The product of its digits is 270000, while the sum is 38.

The square root of 653553245 is about 25564.6874614183. The cubic root of 653553245 is about 867.8146787531.

The spelling of 653553245 in words is "six hundred fifty-three million, five hundred fifty-three thousand, two hundred forty-five".