1425439151 has 4 divisors (see below), whose sum is σ = 1425638904. Its totient is φ = 1425239400.

The previous prime is 1425439079. The next prime is 1425439157. The reversal of 1425439151 is 1519345241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1425439151 - 2³⁰ = 351697327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425439157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88760 + ... + 103581.

It is an arithmetic number, because the mean of its divisors is an integer number (356409726).

Almost surely, 2^1425439151 is an apocalyptic number.

1425439151 is a deficient number, since it is larger than the sum of its proper divisors (199753).

1425439151 is an equidigital number, since it uses as much as digits as its factorization.

1425439151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199752.

The product of its digits is 21600, while the sum is 35.

The square root of 1425439151 is about 37754.9884253723. The cubic root of 1425439151 is about 1125.4241432151.

The spelling of 1425439151 in words is "one billion, four hundred twenty-five million, four hundred thirty-nine thousand, one hundred fifty-one".