1345726425 has 12 divisors (see below), whose sum is σ = 2224934480. Its totient is φ = 717720720.

The previous prime is 1345726387. The next prime is 1345726453. The reversal of 1345726425 is 5246275431.

It is not a de Polignac number, because 1345726425 - 2¹¹ = 1345724377 is a prime.

It is a super-2 number, since 2×1345726425² = 3621959221886561250, which contains 22 as substring.

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, 8971435 + ... + 8971584.

Almost surely, 2^1345726425 is an apocalyptic number.

1345726425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1345726425 is a deficient number, since it is larger than the sum of its proper divisors (879208055).

1345726425 is a wasteful number, since it uses less digits than its factorization.

1345726425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17943032 (or 17943027 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 1345726425 is about 36684.1440543459. The cubic root of 1345726425 is about 1104.0419957179.

The spelling of 1345726425 in words is "one billion, three hundred forty-five million, seven hundred twenty-six thousand, four hundred twenty-five".