6553431253 has 2 divisors, whose sum is σ = 6553431254. Its totient is φ = 6553431252.

The previous prime is 6553431191. The next prime is 6553431289. The reversal of 6553431253 is 3521343556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6077449764 + 475981489 = 77958^2 + 21817^2 .

It is a cyclic number.

It is not a de Polignac number, because 6553431253 - 2¹³ = 6553423061 is a prime.

It is a super-2 number, since 2×6553431253² = 85894922375594300018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6553431293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3276715626 + 3276715627.

It is an arithmetic number, because the mean of its divisors is an integer number (3276715627).

Almost surely, 2^6553431253 is an apocalyptic number.

It is an amenable number.

6553431253 is a deficient number, since it is larger than the sum of its proper divisors (1).

6553431253 is an equidigital number, since it uses as much as digits as its factorization.

6553431253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 162000, while the sum is 37.

The square root of 6553431253 is about 80953.2658575304. The cubic root of 6553431253 is about 1871.3552904948.

The spelling of 6553431253 in words is "six billion, five hundred fifty-three million, four hundred thirty-one thousand, two hundred fifty-three".