653611513 has 2 divisors, whose sum is σ = 653611514. Its totient is φ = 653611512.

The previous prime is 653611489. The next prime is 653611537. The reversal of 653611513 is 315116356.

It is a balanced prime because it is at equal distance from previous prime (653611489) and next prime (653611537).

It can be written as a sum of positive squares in only one way, i.e., 403085929 + 250525584 = 20077^2 + 15828^2 .

It is a cyclic number.

It is not a de Polignac number, because 653611513 - 2¹⁷ = 653480441 is a prime.

It is a super-2 number, since 2×653611513² = 854416019852298338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (653611213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326805756 + 326805757.

It is an arithmetic number, because the mean of its divisors is an integer number (326805757).

Almost surely, 2^653611513 is an apocalyptic number.

It is an amenable number.

653611513 is a deficient number, since it is larger than the sum of its proper divisors (1).

653611513 is an equidigital number, since it uses as much as digits as its factorization.

653611513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 31.

The square root of 653611513 is about 25565.8270548793. The cubic root of 653611513 is about 867.8404681964.

Adding to 653611513 its reverse (315116356), we get a palindrome (968727869).

The spelling of 653611513 in words is "six hundred fifty-three million, six hundred eleven thousand, five hundred thirteen".