7254780625 has 15 divisors (see below), whose sum is σ = 9068235517. Its totient is φ = 5802121000.

The previous prime is 7254780623. The next prime is 7254780649. The reversal of 7254780625 is 5260874527.

The square root of 7254780625 is 85175.

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

It can be written as a sum of positive squares in 2 ways, for example, as 568774801 + 6686005824 = 23849^2 + 81768^2 .

It is not a de Polignac number, because 7254780625 - 2¹ = 7254780623 is a prime.

It is a super-3 number, since 3×7254780625³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7254780623) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2127672 + ... + 2131078.

Almost surely, 2^7254780625 is an apocalyptic number.

7254780625 is the 85175-th square number.

7254780625 is the 42588-th centered octagonal number.

It is an amenable number.

7254780625 is a deficient number, since it is larger than the sum of its proper divisors (1813454892).

7254780625 is an frugal number, since it uses more digits than its factorization.

7254780625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6834 (or 3412 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 46.

The cubic root of 7254780625 is about 1935.8636339623.

The spelling of 7254780625 in words is "seven billion, two hundred fifty-four million, seven hundred eighty thousand, six hundred twenty-five".