653706145 has 8 divisors (see below), whose sum is σ = 809752320. Its totient is φ = 506094960.

The previous prime is 653706143. The next prime is 653706169. The reversal of 653706145 is 541607356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 653706145 - 2¹ = 653706143 is a prime.

It is a super-2 number, since 2×653706145² = 854663448021522050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (653706143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2108575 + ... + 2108884.

It is an arithmetic number, because the mean of its divisors is an integer number (101219040).

Almost surely, 2^653706145 is an apocalyptic number.

It is an amenable number.

653706145 is a deficient number, since it is larger than the sum of its proper divisors (156046175).

653706145 is a wasteful number, since it uses less digits than its factorization.

653706145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4217495.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 653706145 is about 25567.6777396775. The cubic root of 653706145 is about 867.8823490968.

The spelling of 653706145 in words is "six hundred fifty-three million, seven hundred six thousand, one hundred forty-five".