1425005213 has 4 divisors (see below), whose sum is σ = 1432238940. Its totient is φ = 1417771488.

The previous prime is 1425005209. The next prime is 1425005237. The reversal of 1425005213 is 3125005241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3125005241 = 193 ⋅16191737.

It can be written as a sum of positive squares in 2 ways, for example, as 973315204 + 451690009 = 31198^2 + 21253^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425005213 - 2² = 1425005209 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 (1425005203) 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, 3616568 + ... + 3616961.

It is an arithmetic number, because the mean of its divisors is an integer number (358059735).

Almost surely, 2^1425005213 is an apocalyptic number.

It is an amenable number.

1425005213 is a deficient number, since it is larger than the sum of its proper divisors (7233727).

1425005213 is an equidigital number, since it uses as much as digits as its factorization.

1425005213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7233726.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1425005213 is about 37749.2412241624. The cubic root of 1425005213 is about 1125.3099295553.

The spelling of 1425005213 in words is "one billion, four hundred twenty-five million, five thousand, two hundred thirteen".