3135440025 has 27 divisors (see below), whose sum is σ = 5617426269. Its totient is φ = 1671786720.

The previous prime is 3135440003. The next prime is 3135440029. The reversal of 3135440025 is 5200445313.

The square root of 3135440025 is 55995.

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 27154521 + 3108285504 = 5211^2 + 55752^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3135440025 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3135440029) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 838059 + ... + 841791.

Almost surely, 2^3135440025 is an apocalyptic number.

3135440025 is the 55995-th square number.

3135440025 is the 27998-th centered octagonal number.

It is an amenable number.

3135440025 is a deficient number, since it is larger than the sum of its proper divisors (2481986244).

3135440025 is an frugal number, since it uses more digits than its factorization.

3135440025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7482 (or 3741 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The cubic root of 3135440025 is about 1463.6351563862.

Adding to 3135440025 its reverse (5200445313), we get a palindrome (8335885338).

The spelling of 3135440025 in words is "three billion, one hundred thirty-five million, four hundred forty thousand, twenty-five".