1345041425 has 108 divisors (see below), whose sum is σ = 2153584260. Its totient is φ = 830269440.

The previous prime is 1345041413. The next prime is 1345041457. The reversal of 1345041425 is 5241405431.

It can be written as a sum of positive squares in 18 ways, for example, as 1325469649 + 19571776 = 36407^2 + 4424^2 .

It is not a de Polignac number, because 1345041425 - 2⁸ = 1345041169 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 15112781 + ... + 15112869.

It is an arithmetic number, because the mean of its divisors is an integer number (19940595).

Almost surely, 2^1345041425 is an apocalyptic number.

It is an amenable number.

1345041425 is a deficient number, since it is larger than the sum of its proper divisors (808542835).

1345041425 is a wasteful number, since it uses less digits than its factorization.

1345041425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1345041425 is about 36674.8064071237. The cubic root of 1345041425 is about 1103.8546378945.

Adding to 1345041425 its reverse (5241405431), we get a palindrome (6586446856).

The spelling of 1345041425 in words is "one billion, three hundred forty-five million, forty-one thousand, four hundred twenty-five".