1425852291 has 4 divisors (see below), whose sum is σ = 1901136392. Its totient is φ = 950568192.

The previous prime is 1425852289. The next prime is 1425852293. The reversal of 1425852291 is 1922585241.

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

It is an interprime number because it is at equal distance from previous prime (1425852289) and next prime (1425852293).

It is not a de Polignac number, because 1425852291 - 2¹ = 1425852289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1425852293) 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 3 ways as a sum of consecutive naturals, for example, 237642046 + ... + 237642051.

It is an arithmetic number, because the mean of its divisors is an integer number (475284098).

Almost surely, 2^1425852291 is an apocalyptic number.

1425852291 is a deficient number, since it is larger than the sum of its proper divisors (475284101).

1425852291 is an equidigital number, since it uses as much as digits as its factorization.

1425852291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475284100.

The product of its digits is 57600, while the sum is 39.

The square root of 1425852291 is about 37760.4593589644. The cubic root of 1425852291 is about 1125.5328612471.

The spelling of 1425852291 in words is "one billion, four hundred twenty-five million, eight hundred fifty-two thousand, two hundred ninety-one".