63532501 has 2 divisors, whose sum is σ = 63532502. Its totient is φ = 63532500.

The previous prime is 63532489. The next prime is 63532507. The reversal of 63532501 is 10523536.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47969476 + 15563025 = 6926^2 + 3945^2 .

It is a cyclic number.

It is not a de Polignac number, because 63532501 - 2⁷ = 63532373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63532507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31766250 + 31766251.

It is an arithmetic number, because the mean of its divisors is an integer number (31766251).

Almost surely, 2^63532501 is an apocalyptic number.

It is an amenable number.

63532501 is a deficient number, since it is larger than the sum of its proper divisors (1).

63532501 is an equidigital number, since it uses as much as digits as its factorization.

63532501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 63532501 is about 7970.7277584923. The cubic root of 63532501 is about 399.0236626021.

The spelling of 63532501 in words is "sixty-three million, five hundred thirty-two thousand, five hundred one".