1426925407 has 2 divisors, whose sum is σ = 1426925408. Its totient is φ = 1426925406.

The previous prime is 1426925399. The next prime is 1426925453. The reversal of 1426925407 is 7045296241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1426925407 - 2³ = 1426925399 is a prime.

It is a super-2 number, since 2×1426925407² = 4072232234284231298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1426925407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1426925477) 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 as a sum of consecutive naturals, namely, 713462703 + 713462704.

It is an arithmetic number, because the mean of its divisors is an integer number (713462704).

Almost surely, 2^1426925407 is an apocalyptic number.

1426925407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426925407 is an equidigital number, since it uses as much as digits as its factorization.

1426925407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 1426925407 is about 37774.6662063346. Note that the first 3 decimals coincide. The cubic root of 1426925407 is about 1125.8151542651.

The spelling of 1426925407 in words is "one billion, four hundred twenty-six million, nine hundred twenty-five thousand, four hundred seven".