1425656343 has 4 divisors (see below), whose sum is σ = 1900875128. Its totient is φ = 950437560.

The previous prime is 1425656341. The next prime is 1425656371. The reversal of 1425656343 is 3436565241.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1425656343 - 2¹ = 1425656341 is a prime.

It is a super-2 number, since 2×1425656343² = 4064992016672267298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425656341) 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 3 ways as a sum of consecutive naturals, for example, 237609388 + ... + 237609393.

It is an arithmetic number, because the mean of its divisors is an integer number (475218782).

Almost surely, 2^1425656343 is an apocalyptic number.

1425656343 is a deficient number, since it is larger than the sum of its proper divisors (475218785).

1425656343 is an equidigital number, since it uses as much as digits as its factorization.

1425656343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475218784.

The product of its digits is 259200, while the sum is 39.

The square root of 1425656343 is about 37757.8646509572. The cubic root of 1425656343 is about 1125.4813000351.

The spelling of 1425656343 in words is "one billion, four hundred twenty-five million, six hundred fifty-six thousand, three hundred forty-three".