653854441 has 2 divisors, whose sum is σ = 653854442. Its totient is φ = 653854440.

The previous prime is 653854427. The next prime is 653854469. The reversal of 653854441 is 144458356.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 641102400 + 12752041 = 25320^2 + 3571^2 .

It is a cyclic number.

It is not a de Polignac number, because 653854441 - 2²⁷ = 519636713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 653854394 and 653854403.

It is not a weakly prime, because it can be changed into another prime (653858441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326927220 + 326927221.

It is an arithmetic number, because the mean of its divisors is an integer number (326927221).

Almost surely, 2^653854441 is an apocalyptic number.

It is an amenable number.

653854441 is a deficient number, since it is larger than the sum of its proper divisors (1).

653854441 is an equidigital number, since it uses as much as digits as its factorization.

653854441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 230400, while the sum is 40.

The square root of 653854441 is about 25570.5776430647. The cubic root of 653854441 is about 867.9479717270.

The spelling of 653854441 in words is "six hundred fifty-three million, eight hundred fifty-four thousand, four hundred forty-one".