1425013013 has 4 divisors (see below), whose sum is σ = 1425090348. Its totient is φ = 1424935680.

The previous prime is 1425013003. The next prime is 1425013021. The reversal of 1425013013 is 3103105241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 384434449 + 1040578564 = 19607^2 + 32258^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425013013 - 2¹² = 1425008917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425013003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6773 + ... + 53813.

It is an arithmetic number, because the mean of its divisors is an integer number (356272587).

Almost surely, 2^1425013013 is an apocalyptic number.

It is an amenable number.

1425013013 is a deficient number, since it is larger than the sum of its proper divisors (77335).

1425013013 is an equidigital number, since it uses as much as digits as its factorization.

1425013013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77334.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1425013013 is about 37749.3445373559. The cubic root of 1425013013 is about 1125.3119827411.

Adding to 1425013013 its reverse (3103105241), we get a palindrome (4528118254).

The spelling of 1425013013 in words is "one billion, four hundred twenty-five million, thirteen thousand, thirteen".