1494481625 has 72 divisors (see below), whose sum is σ = 2353694616. Its totient is φ = 939052800.

The previous prime is 1494481591. The next prime is 1494481643. The reversal of 1494481625 is 5261844941.

It can be written as a sum of positive squares in 12 ways, for example, as 1193840704 + 300640921 = 34552^2 + 17339^2 .

It is not a de Polignac number, because 1494481625 - 2⁸ = 1494481369 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10908557 + ... + 10908693.

It is an arithmetic number, because the mean of its divisors is an integer number (32690203).

Almost surely, 2^1494481625 is an apocalyptic number.

It is an amenable number.

1494481625 is a deficient number, since it is larger than the sum of its proper divisors (859212991).

1494481625 is an equidigital number, since it uses as much as digits as its factorization.

1494481625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 162 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 1494481625 is about 38658.5259030915. The cubic root of 1494481625 is about 1143.3087481409.

It can be divided in two parts, 14944 and 81625, that added together give a palindrome (96569).

The spelling of 1494481625 in words is "one billion, four hundred ninety-four million, four hundred eighty-one thousand, six hundred twenty-five".