3525390625 has 33 divisors (see below), whose sum is σ = 4650878811. Its totient is φ = 2671875000.

The previous prime is 3525390607. The next prime is 3525390643. The reversal of 3525390625 is 5260935253.

The square root of 3525390625 is 59375.

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

It is an interprime number because it is at equal distance from previous prime (3525390607) and next prime (3525390643).

It can be written as a sum of positive squares in 5 ways, for example, as 20277009 + 3505113616 = 4503^2 + 59204^2 .

It is not a de Polignac number, because 3525390625 - 2¹⁹ = 3524866337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 32 ways as a sum of consecutive naturals, for example, 185546866 + ... + 185546884.

Almost surely, 2^3525390625 is an apocalyptic number.

3525390625 is the 59375-th square number.

3525390625 is the 29688-th centered octagonal number.

It is an amenable number.

3525390625 is a deficient number, since it is larger than the sum of its proper divisors (1125488186).

3525390625 is an frugal number, since it uses more digits than its factorization.

3525390625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 24 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 40.

The cubic root of 3525390625 is about 1521.9571144030.

The spelling of 3525390625 in words is "three billion, five hundred twenty-five million, three hundred ninety thousand, six hundred twenty-five".