62966561 has 4 divisors (see below), whose sum is σ = 71961792. Its totient is φ = 53971332.

The previous prime is 62966543. The next prime is 62966567. The reversal of 62966561 is 16566926.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16566926 = 2 ⋅8283463.

It is a cyclic number.

It is not a de Polignac number, because 62966561 - 2²² = 58772257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (62966567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4497605 + ... + 4497618.

It is an arithmetic number, because the mean of its divisors is an integer number (17990448).

Almost surely, 2^62966561 is an apocalyptic number.

It is an amenable number.

62966561 is a deficient number, since it is larger than the sum of its proper divisors (8995231).

62966561 is an equidigital number, since it uses as much as digits as its factorization.

62966561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8995230.

The product of its digits is 116640, while the sum is 41.

The square root of 62966561 is about 7935.1471946020. The cubic root of 62966561 is about 397.8353084923.

The spelling of 62966561 in words is "sixty-two million, nine hundred sixty-six thousand, five hundred sixty-one".