1345402025 has 36 divisors (see below), whose sum is σ = 1872963456. Its totient is φ = 957554400.

The previous prime is 1345402007. The next prime is 1345402033. The reversal of 1345402025 is 5202045431.

It is a happy number.

It is not a de Polignac number, because 1345402025 - 2¹⁴ = 1345385641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1345401985 and 1345402003.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 137444 + ... + 146906.

Almost surely, 2^1345402025 is an apocalyptic number.

It is an amenable number.

1345402025 is a deficient number, since it is larger than the sum of its proper divisors (527561431).

1345402025 is a wasteful number, since it uses less digits than its factorization.

1345402025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9542 (or 9526 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1345402025 is about 36679.7222590357. The cubic root of 1345402025 is about 1103.9532753561.

Adding to 1345402025 its reverse (5202045431), we get a palindrome (6547447456).

The spelling of 1345402025 in words is "one billion, three hundred forty-five million, four hundred two thousand, twenty-five".