62642581225 has 27 divisors (see below), whose sum is σ = 90371364951. Its totient is φ = 42948906000.

The previous prime is 62642581207. The next prime is 62642581241. The reversal of 62642581225 is 52218524626.

It is a happy number.

The square root of 62642581225 is 250285.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 22551329241 + 40091251984 = 150171^2 + 200228^2 .

It is not a de Polignac number, because 62642581225 - 2⁵ = 62642581193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8756400 + ... + 8763550.

Almost surely, 2^62642581225 is an apocalyptic number.

62642581225 is the 250285-th square number.

62642581225 is the 125143-rd centered octagonal number.

It is an amenable number.

62642581225 is a deficient number, since it is larger than the sum of its proper divisors (27728783726).

62642581225 is an frugal number, since it uses more digits than its factorization.

62642581225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14326 (or 7163 counting only the distinct ones).

The product of its digits is 460800, while the sum is 43.

The spelling of 62642581225 in words is "sixty-two billion, six hundred forty-two million, five hundred eighty-one thousand, two hundred twenty-five".