1361244725 has 6 divisors (see below), whose sum is σ = 1687943490. Its totient is φ = 1088995760.

The previous prime is 1361244697. The next prime is 1361244749. The reversal of 1361244725 is 5274421631.

1361244725 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 109641841 + 1251602884 = 10471^2 + 35378^2 .

It is not a de Polignac number, because 1361244725 - 2¹⁰ = 1361243701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27224870 + ... + 27224919.

It is an arithmetic number, because the mean of its divisors is an integer number (281323915).

Almost surely, 2^1361244725 is an apocalyptic number.

It is an amenable number.

1361244725 is a deficient number, since it is larger than the sum of its proper divisors (326698765).

1361244725 is an equidigital number, since it uses as much as digits as its factorization.

1361244725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54449799 (or 54449794 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 1361244725 is about 36895.0501422616. The cubic root of 1361244725 is about 1108.2695556921.

The spelling of 1361244725 in words is "one billion, three hundred sixty-one million, two hundred forty-four thousand, seven hundred twenty-five".