1425416429 has 2 divisors, whose sum is σ = 1425416430. Its totient is φ = 1425416428.

The previous prime is 1425416413. The next prime is 1425416437. The reversal of 1425416429 is 9246145241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1044776329 + 380640100 = 32323^2 + 19510^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425416429 - 2⁴ = 1425416413 is a prime.

It is a super-2 number, since 2×1425416429² = 4063623992126224082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1425416392 and 1425416401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1425416479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712708214 + 712708215.

It is an arithmetic number, because the mean of its divisors is an integer number (712708215).

Almost surely, 2^1425416429 is an apocalyptic number.

It is an amenable number.

1425416429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425416429 is an equidigital number, since it uses as much as digits as its factorization.

1425416429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 38.

The square root of 1425416429 is about 37754.6875102947. The cubic root of 1425416429 is about 1125.4181632981.

The spelling of 1425416429 in words is "one billion, four hundred twenty-five million, four hundred sixteen thousand, four hundred twenty-nine".