63462521 has 2 divisors, whose sum is σ = 63462522. Its totient is φ = 63462520.

The previous prime is 63462491. The next prime is 63462559. The reversal of 63462521 is 12526436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33640000 + 29822521 = 5800^2 + 5461^2 .

It is a cyclic number.

It is not a de Polignac number, because 63462521 - 2¹⁸ = 63200377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63462821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31731260 + 31731261.

It is an arithmetic number, because the mean of its divisors is an integer number (31731261).

Almost surely, 2^63462521 is an apocalyptic number.

It is an amenable number.

63462521 is a deficient number, since it is larger than the sum of its proper divisors (1).

63462521 is an equidigital number, since it uses as much as digits as its factorization.

63462521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 63462521 is about 7966.3367365433. The cubic root of 63462521 is about 398.8771027877.

Adding to 63462521 its reverse (12526436), we get a palindrome (75988957).

The spelling of 63462521 in words is "sixty-three million, four hundred sixty-two thousand, five hundred twenty-one".