1420512325 has 12 divisors (see below), whose sum is σ = 1809042820. Its totient is φ = 1105695360.

The previous prime is 1420512319. The next prime is 1420512343. The reversal of 1420512325 is 5232150241.

It can be written as a sum of positive squares in 6 ways, for example, as 277729 + 1420234596 = 527^2 + 37686^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1420512325 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 1420512325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 766920 + ... + 768769.

Almost surely, 2^1420512325 is an apocalyptic number.

It is an amenable number.

1420512325 is a deficient number, since it is larger than the sum of its proper divisors (388530495).

1420512325 is a wasteful number, since it uses less digits than its factorization.

1420512325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535736 (or 1535731 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1420512325 is about 37689.6845967169. The cubic root of 1420512325 is about 1124.1260240930.

Adding to 1420512325 its reverse (5232150241), we get a palindrome (6652662566).

The spelling of 1420512325 in words is "one billion, four hundred twenty million, five hundred twelve thousand, three hundred twenty-five".