63535259251 has 2 divisors, whose sum is σ = 63535259252. Its totient is φ = 63535259250.

The previous prime is 63535259219. The next prime is 63535259257. The reversal of 63535259251 is 15295253536.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63535259251 - 2⁵ = 63535259219 is a prime.

It is not a weakly prime, because it can be changed into another prime (63535259257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31767629625 + 31767629626.

It is an arithmetic number, because the mean of its divisors is an integer number (31767629626).

Almost surely, 2^63535259251 is an apocalyptic number.

63535259251 is a deficient number, since it is larger than the sum of its proper divisors (1).

63535259251 is an equidigital number, since it uses as much as digits as its factorization.

63535259251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1215000, while the sum is 46.

The spelling of 63535259251 in words is "sixty-three billion, five hundred thirty-five million, two hundred fifty-nine thousand, two hundred fifty-one".