1265454325 has 6 divisors (see below), whose sum is σ = 1569163394. Its totient is φ = 1012363440.

The previous prime is 1265454287. The next prime is 1265454329. The reversal of 1265454325 is 5234545621.

It can be written as a sum of positive squares in 3 ways, for example, as 320875569 + 944578756 = 17913^2 + 30734^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1265454325 is a prime.

It is a super-2 number, since 2×1265454325² = 3202749297322411250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265454329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25309062 + ... + 25309111.

Almost surely, 2^1265454325 is an apocalyptic number.

It is an amenable number.

1265454325 is a deficient number, since it is larger than the sum of its proper divisors (303709069).

1265454325 is an equidigital number, since it uses as much as digits as its factorization.

1265454325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50618183 (or 50618178 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The square root of 1265454325 is about 35573.2248327306. The cubic root of 1265454325 is about 1081.6385521481.

Adding to 1265454325 its reverse (5234545621), we get a palindrome (6499999946).

The spelling of 1265454325 in words is "one billion, two hundred sixty-five million, four hundred fifty-four thousand, three hundred twenty-five".