540330025 has 9 divisors (see below), whose sum is σ = 670153381. Its totient is φ = 432171040.

The previous prime is 540330017. The next prime is 540330041. The reversal of 540330025 is 520033045.

The square root of 540330025 is 23245.

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

It can be written as a sum of positive squares in 4 ways, for example, as 122699929 + 417630096 = 11077^2 + 20436^2 .

It is not a de Polignac number, because 540330025 - 2³ = 540330017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540329978 and 540330005.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 113901 + ... + 118549.

Almost surely, 2^540330025 is an apocalyptic number.

540330025 is the 23245-th square number.

540330025 is the 11623-rd centered octagonal number.

It is an amenable number.

540330025 is a deficient number, since it is larger than the sum of its proper divisors (129823356).

540330025 is an frugal number, since it uses more digits than its factorization.

540330025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9308 (or 4654 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The cubic root of 540330025 is about 814.4911448376.

The spelling of 540330025 in words is "five hundred forty million, three hundred thirty thousand, twenty-five".