1653412513 has 2 divisors, whose sum is σ = 1653412514. Its totient is φ = 1653412512.

The previous prime is 1653412511. The next prime is 1653412531. The reversal of 1653412513 is 3152143561.

1653412513 = 28752² + 28753².

Together with next prime (1653412531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 826735009 + 826677504 = 28753^2 + 28752^2 .

It is a cyclic number.

It is not a de Polignac number, because 1653412513 - 2¹ = 1653412511 is a prime.

Together with 1653412511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1653412511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826706256 + 826706257.

It is an arithmetic number, because the mean of its divisors is an integer number (826706257).

Almost surely, 2^1653412513 is an apocalyptic number.

1653412513 is the 28753-rd centered square number.

It is an amenable number.

1653412513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1653412513 is an equidigital number, since it uses as much as digits as its factorization.

1653412513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 31.

The square root of 1653412513 is about 40662.1754582806. The cubic root of 1653412513 is about 1182.4798258145.

The spelling of 1653412513 in words is "one billion, six hundred fifty-three million, four hundred twelve thousand, five hundred thirteen".