1345452425 has 12 divisors (see below), whose sum is σ = 1671654540. Its totient is φ = 1074237120.

The previous prime is 1345452401. The next prime is 1345452457. The reversal of 1345452425 is 5242545431.

It can be written as a sum of positive squares in 6 ways, for example, as 3182656 + 1342269769 = 1784^2 + 36637^2 .

It is not a de Polignac number, because 1345452425 - 2²⁰ = 1344403849 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40142 + ... + 65591.

It is an arithmetic number, because the mean of its divisors is an integer number (139304545).

Almost surely, 2^1345452425 is an apocalyptic number.

It is an amenable number.

1345452425 is a deficient number, since it is larger than the sum of its proper divisors (326202115).

1345452425 is a wasteful number, since it uses less digits than its factorization.

1345452425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106252 (or 106247 counting only the distinct ones).

The product of its digits is 96000, while the sum is 35.

The square root of 1345452425 is about 36680.4092807046. The cubic root of 1345452425 is about 1103.9670602198.

Adding to 1345452425 its reverse (5242545431), we get a palindrome (6587997856).

The spelling of 1345452425 in words is "one billion, three hundred forty-five million, four hundred fifty-two thousand, four hundred twenty-five".