1425343539 has 8 divisors (see below), whose sum is σ = 2000482240. Its totient is φ = 900216936.

The previous prime is 1425343537. The next prime is 1425343547. The reversal of 1425343539 is 9353435241.

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

It is not a de Polignac number, because 1425343539 - 2¹ = 1425343537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1425343497 and 1425343506.

It is not an unprimeable number, because it can be changed into a prime (1425343537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12502957 + ... + 12503070.

It is an arithmetic number, because the mean of its divisors is an integer number (250060280).

Almost surely, 2^1425343539 is an apocalyptic number.

1425343539 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1425343539 is a deficient number, since it is larger than the sum of its proper divisors (575138701).

1425343539 is a wasteful number, since it uses less digits than its factorization.

1425343539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25006049.

The product of its digits is 194400, while the sum is 39.

The square root of 1425343539 is about 37753.7221873552. The cubic root of 1425343539 is about 1125.3989798683.

The spelling of 1425343539 in words is "one billion, four hundred twenty-five million, three hundred forty-three thousand, five hundred thirty-nine".