1425269523 has 8 divisors (see below), whose sum is σ = 1904430528. Its totient is φ = 948144104.

The previous prime is 1425269519. The next prime is 1425269533. The reversal of 1425269523 is 3259625241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1425269523 - 2² = 1425269519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1425269533) 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 7 ways as a sum of consecutive naturals, for example, 507261 + ... + 510062.

It is an arithmetic number, because the mean of its divisors is an integer number (238053816).

Almost surely, 2^1425269523 is an apocalyptic number.

1425269523 is a deficient number, since it is larger than the sum of its proper divisors (479161005).

1425269523 is a wasteful number, since it uses less digits than its factorization.

1425269523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017793.

The product of its digits is 129600, while the sum is 39.

The square root of 1425269523 is about 37752.7419269117. The cubic root of 1425269523 is about 1125.3794994248.

The spelling of 1425269523 in words is "one billion, four hundred twenty-five million, two hundred sixty-nine thousand, five hundred twenty-three".