513752453 has 2 divisors, whose sum is σ = 513752454. Its totient is φ = 513752452.

The previous prime is 513752443. The next prime is 513752489. The reversal of 513752453 is 354257315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 477728449 + 36024004 = 21857^2 + 6002^2 .

It is a cyclic number.

It is not a de Polignac number, because 513752453 - 2⁶ = 513752389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513752423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256876226 + 256876227.

It is an arithmetic number, because the mean of its divisors is an integer number (256876227).

Almost surely, 2^513752453 is an apocalyptic number.

It is an amenable number.

513752453 is a deficient number, since it is larger than the sum of its proper divisors (1).

513752453 is an equidigital number, since it uses as much as digits as its factorization.

513752453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63000, while the sum is 35.

The square root of 513752453 is about 22666.1080249786. The cubic root of 513752453 is about 800.9116965546.

The spelling of 513752453 in words is "five hundred thirteen million, seven hundred fifty-two thousand, four hundred fifty-three".