1425656417 has 2 divisors, whose sum is σ = 1425656418. Its totient is φ = 1425656416.

The previous prime is 1425656411. The next prime is 1425656423. The reversal of 1425656417 is 7146565241.

It is a balanced prime because it is at equal distance from previous prime (1425656411) and next prime (1425656423).

It can be written as a sum of positive squares in only one way, i.e., 909866896 + 515789521 = 30164^2 + 22711^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425656417 - 2⁸ = 1425656161 is a prime.

It is not a weakly prime, because it can be changed into another prime (1425656411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712828208 + 712828209.

It is an arithmetic number, because the mean of its divisors is an integer number (712828209).

Almost surely, 2^1425656417 is an apocalyptic number.

It is an amenable number.

1425656417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425656417 is an equidigital number, since it uses as much as digits as its factorization.

1425656417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 41.

The square root of 1425656417 is about 37757.8656308854. The cubic root of 1425656417 is about 1125.4813195081.

The spelling of 1425656417 in words is "one billion, four hundred twenty-five million, six hundred fifty-six thousand, four hundred seventeen".