675740025 has 27 divisors (see below), whose sum is σ = 1211024269. Its totient is φ = 360186720.

The previous prime is 675740011. The next prime is 675740047. The reversal of 675740025 is 520047576.

The square root of 675740025 is 25995.

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

675740025 is a `hidden beast` number, since 67 + 574 + 0 + 0 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 26101881 + 649638144 = 5109^2 + 25488^2 .

It is not a de Polignac number, because 675740025 - 2¹⁵ = 675707257 is a prime.

It is a Duffinian number.

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, 389059 + ... + 390791.

Almost surely, 2^675740025 is an apocalyptic number.

675740025 is the 25995-th square number.

675740025 is the 12998-th centered octagonal number.

It is an amenable number.

675740025 is a deficient number, since it is larger than the sum of its proper divisors (535284244).

675740025 is an equidigital number, since it uses as much as digits as its factorization.

675740025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3482 (or 1741 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The cubic root of 675740025 is about 877.5257741961.

Multiplying 675740025 by its sum of digits (36), we get a square (24326640900 = 155970²).

The spelling of 675740025 in words is "six hundred seventy-five million, seven hundred forty thousand, twenty-five".