1465538425 has 18 divisors (see below), whose sum is σ = 1967816202. Its totient is φ = 1082240640.

The previous prime is 1465538413. The next prime is 1465538429. The reversal of 1465538425 is 5248355641.

It can be written as a sum of positive squares in 9 ways, for example, as 486599481 + 978938944 = 22059^2 + 31288^2 .

It is not a de Polignac number, because 1465538425 - 2⁷ = 1465538297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1465538429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 169212 + ... + 177661.

Almost surely, 2^1465538425 is an apocalyptic number.

It is an amenable number.

1465538425 is a deficient number, since it is larger than the sum of its proper divisors (502277777).

1465538425 is a wasteful number, since it uses less digits than its factorization.

1465538425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346909 (or 346891 counting only the distinct ones).

The product of its digits is 576000, while the sum is 43.

The square root of 1465538425 is about 38282.3513515040. The cubic root of 1465538425 is about 1135.8798704324.

The spelling of 1465538425 in words is "one billion, four hundred sixty-five million, five hundred thirty-eight thousand, four hundred twenty-five".