3400540025 has 6 divisors (see below), whose sum is σ = 4216669662. Its totient is φ = 2720432000.

The previous prime is 3400539973. The next prime is 3400540027. The reversal of 3400540025 is 5200450043.

It can be written as a sum of positive squares in 3 ways, for example, as 219128809 + 3181411216 = 14803^2 + 56404^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3400540025 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3400540027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68010776 + ... + 68010825.

It is an arithmetic number, because the mean of its divisors is an integer number (702778277).

Almost surely, 2^3400540025 is an apocalyptic number.

It is an amenable number.

3400540025 is a deficient number, since it is larger than the sum of its proper divisors (816129637).

3400540025 is a wasteful number, since it uses less digits than its factorization.

3400540025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136021611 (or 136021606 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 3400540025 is about 58314.1494407661. The cubic root of 3400540025 is about 1503.7742030370.

Adding to 3400540025 its reverse (5200450043), we get a palindrome (8600990068).

The spelling of 3400540025 in words is "three billion, four hundred million, five hundred forty thousand, twenty-five".