63520151 has 2 divisors, whose sum is σ = 63520152. Its totient is φ = 63520150.

The previous prime is 63520141. The next prime is 63520189. The reversal of 63520151 is 15102536.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63520151 - 2¹⁴ = 63503767 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63520141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31760075 + 31760076.

It is an arithmetic number, because the mean of its divisors is an integer number (31760076).

Almost surely, 2^63520151 is an apocalyptic number.

63520151 is a deficient number, since it is larger than the sum of its proper divisors (1).

63520151 is an equidigital number, since it uses as much as digits as its factorization.

63520151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 63520151 is about 7969.9530111538. The cubic root of 63520151 is about 398.9978056969.

Adding to 63520151 its reverse (15102536), we get a palindrome (78622687).

The spelling of 63520151 in words is "sixty-three million, five hundred twenty thousand, one hundred fifty-one".