653401453 has 2 divisors, whose sum is σ = 653401454. Its totient is φ = 653401452.

The previous prime is 653401381. The next prime is 653401513. The reversal of 653401453 is 354104356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 647040969 + 6360484 = 25437^2 + 2522^2 .

It is a cyclic number.

It is not a de Polignac number, because 653401453 - 2¹⁷ = 653270381 is a prime.

It is a super-2 number, since 2×653401453² = 853866917565022418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653401153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326700726 + 326700727.

It is an arithmetic number, because the mean of its divisors is an integer number (326700727).

Almost surely, 2^653401453 is an apocalyptic number.

It is an amenable number.

653401453 is a deficient number, since it is larger than the sum of its proper divisors (1).

653401453 is an equidigital number, since it uses as much as digits as its factorization.

653401453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 653401453 is about 25561.7185063915. The cubic root of 653401453 is about 867.7474883463.

The spelling of 653401453 in words is "six hundred fifty-three million, four hundred one thousand, four hundred fifty-three".