653345093 has 4 divisors (see below), whose sum is σ = 653409120. Its totient is φ = 653281068.

The previous prime is 653345087. The next prime is 653345111. The reversal of 653345093 is 390543356.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 653345093 - 2⁶ = 653345029 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 (653345083) 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 3 ways as a sum of consecutive naturals, for example, 12905 + ... + 38382.

It is an arithmetic number, because the mean of its divisors is an integer number (163352280).

Almost surely, 2^653345093 is an apocalyptic number.

It is an amenable number.

653345093 is a deficient number, since it is larger than the sum of its proper divisors (64027).

653345093 is a wasteful number, since it uses less digits than its factorization.

653345093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64026.

The product of its (nonzero) digits is 145800, while the sum is 38.

The square root of 653345093 is about 25560.6160528263. The cubic root of 653345093 is about 867.7225380627.

The spelling of 653345093 in words is "six hundred fifty-three million, three hundred forty-five thousand, ninety-three".