1461748625 has 16 divisors (see below), whose sum is σ = 1887172560. Its totient is φ = 1129072000.

The previous prime is 1461748619. The next prime is 1461748661. The reversal of 1461748625 is 5268471641.

It can be written as a sum of positive squares in 8 ways, for example, as 61716736 + 1400031889 = 7856^2 + 37417^2 .

It is not a de Polignac number, because 1461748625 - 2⁴ = 1461748609 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197996 + ... + 205245.

It is an arithmetic number, because the mean of its divisors is an integer number (117948285).

Almost surely, 2^1461748625 is an apocalyptic number.

It is an amenable number.

1461748625 is a deficient number, since it is larger than the sum of its proper divisors (425423935).

1461748625 is an equidigital number, since it uses as much as digits as its factorization.

1461748625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403285 (or 403275 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 1461748625 is about 38232.8213057839. The cubic root of 1461748625 is about 1134.8999180772.

The spelling of 1461748625 in words is "one billion, four hundred sixty-one million, seven hundred forty-eight thousand, six hundred twenty-five".