62638561 has 4 divisors (see below), whose sum is σ = 62726400. Its totient is φ = 62550724.

The previous prime is 62638517. The next prime is 62638619. The reversal of 62638561 is 16583626.

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: 16583626 = 2 ⋅8291813.

It is a cyclic number.

It is not a de Polignac number, because 62638561 - 2¹³ = 62630369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 62638561.

It is not an unprimeable number, because it can be changed into a prime (62638061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42841 + ... + 44278.

It is an arithmetic number, because the mean of its divisors is an integer number (15681600).

Almost surely, 2^62638561 is an apocalyptic number.

It is an amenable number.

62638561 is a deficient number, since it is larger than the sum of its proper divisors (87839).

62638561 is an equidigital number, since it uses as much as digits as its factorization.

62638561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87838.

The product of its digits is 51840, while the sum is 37.

The square root of 62638561 is about 7914.4526658513. The cubic root of 62638561 is about 397.1433157046.

The spelling of 62638561 in words is "sixty-two million, six hundred thirty-eight thousand, five hundred sixty-one".