653098493 has 2 divisors, whose sum is σ = 653098494. Its totient is φ = 653098492.

The previous prime is 653098477. The next prime is 653098517. The reversal of 653098493 is 394890356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 485188729 + 167909764 = 22027^2 + 12958^2 .

It is a cyclic number.

It is not a de Polignac number, because 653098493 - 2⁴ = 653098477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653098403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326549246 + 326549247.

It is an arithmetic number, because the mean of its divisors is an integer number (326549247).

Almost surely, 2^653098493 is an apocalyptic number.

It is an amenable number.

653098493 is a deficient number, since it is larger than the sum of its proper divisors (1).

653098493 is an equidigital number, since it uses as much as digits as its factorization.

653098493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 653098493 is about 25555.7917701644. The cubic root of 653098493 is about 867.6133526273.

The spelling of 653098493 in words is "six hundred fifty-three million, ninety-eight thousand, four hundred ninety-three".