513401031653 has 2 divisors, whose sum is σ = 513401031654. Its totient is φ = 513401031652.

The previous prime is 513401031599. The next prime is 513401031673. The reversal of 513401031653 is 356130104315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 465755746369 + 47645285284 = 682463^2 + 218278^2 .

It is a cyclic number.

It is not a de Polignac number, because 513401031653 - 2⁶ = 513401031589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513401031673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256700515826 + 256700515827.

It is an arithmetic number, because the mean of its divisors is an integer number (256700515827).

Almost surely, 2^513401031653 is an apocalyptic number.

It is an amenable number.

513401031653 is a deficient number, since it is larger than the sum of its proper divisors (1).

513401031653 is an equidigital number, since it uses as much as digits as its factorization.

513401031653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 32.

Adding to 513401031653 its reverse (356130104315), we get a palindrome (869531135968).

The spelling of 513401031653 in words is "five hundred thirteen billion, four hundred one million, thirty-one thousand, six hundred fifty-three".