1356427825 has 12 divisors (see below), whose sum is σ = 1683143388. Its totient is φ = 1084385600.

The previous prime is 1356427823. The next prime is 1356427859. The reversal of 1356427825 is 5287246531.

It can be written as a sum of positive squares in 6 ways, for example, as 63234304 + 1293193521 = 7952^2 + 35961^2 .

It is not a de Polignac number, because 1356427825 - 2¹ = 1356427823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1356427823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19155 + ... + 55495.

It is an arithmetic number, because the mean of its divisors is an integer number (140261949).

Almost surely, 2^1356427825 is an apocalyptic number.

It is an amenable number.

1356427825 is a deficient number, since it is larger than the sum of its proper divisors (326715563).

1356427825 is a wasteful number, since it uses less digits than its factorization.

1356427825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37844 (or 37839 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 1356427825 is about 36829.7138870233. The cubic root of 1356427825 is about 1106.9607699951.

The spelling of 1356427825 in words is "one billion, three hundred fifty-six million, four hundred twenty-seven thousand, eight hundred twenty-five".