1425400523 has 2 divisors, whose sum is σ = 1425400524. Its totient is φ = 1425400522.

The previous prime is 1425400511. The next prime is 1425400549. The reversal of 1425400523 is 3250045241.

It is a happy number.

It is an a-pointer prime, because the next prime (1425400549) can be obtained adding 1425400523 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1425400523 - 2¹⁶ = 1425334987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1425400492 and 1425400501.

It is not a weakly prime, because it can be changed into another prime (1425400723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712700261 + 712700262.

It is an arithmetic number, because the mean of its divisors is an integer number (712700262).

Almost surely, 2^1425400523 is an apocalyptic number.

1425400523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425400523 is an equidigital number, since it uses as much as digits as its factorization.

1425400523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1425400523 is about 37754.4768603672. The cubic root of 1425400523 is about 1125.4139771605.

Adding to 1425400523 its reverse (3250045241), we get a palindrome (4675445764).

The spelling of 1425400523 in words is "one billion, four hundred twenty-five million, four hundred thousand, five hundred twenty-three".