653523453 has 12 divisors (see below), whose sum is σ = 1029794688. Its totient is φ = 396074760.

The previous prime is 653523413. The next prime is 653523457. The reversal of 653523453 is 354325356.

It is not a de Polignac number, because 653523453 - 2⁹ = 653522941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653523457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3300525 + ... + 3300722.

It is an arithmetic number, because the mean of its divisors is an integer number (85816224).

Almost surely, 2^653523453 is an apocalyptic number.

It is an amenable number.

653523453 is a deficient number, since it is larger than the sum of its proper divisors (376271235).

653523453 is a wasteful number, since it uses less digits than its factorization.

653523453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6601264 (or 6601261 counting only the distinct ones).

The product of its digits is 162000, while the sum is 36.

The square root of 653523453 is about 25564.1047760331. The cubic root of 653523453 is about 867.8014922082.

The spelling of 653523453 in words is "six hundred fifty-three million, five hundred twenty-three thousand, four hundred fifty-three".