1425676531 has 4 divisors (see below), whose sum is σ = 1449840600. Its totient is φ = 1401512464.

The previous prime is 1425676513. The next prime is 1425676543. The reversal of 1425676531 is 1356765241.

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 1425676531 - 2²¹ = 1423579379 is a prime.

It is a super-2 number, since 2×1425676531² = 4065107142088387922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1425676331) 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, 12081946 + ... + 12082063.

It is an arithmetic number, because the mean of its divisors is an integer number (362460150).

Almost surely, 2^1425676531 is an apocalyptic number.

1425676531 is a deficient number, since it is larger than the sum of its proper divisors (24164069).

1425676531 is an equidigital number, since it uses as much as digits as its factorization.

1425676531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24164068.

The product of its digits is 151200, while the sum is 40.

The square root of 1425676531 is about 37758.1319850440. The cubic root of 1425676531 is about 1125.4866124676.

The spelling of 1425676531 in words is "one billion, four hundred twenty-five million, six hundred seventy-six thousand, five hundred thirty-one".