1395396025 has 27 divisors (see below), whose sum is σ = 1795356909. Its totient is φ = 1075824000.

The previous prime is 1395396011. The next prime is 1395396047. The reversal of 1395396025 is 5206935931.

The square root of 1395396025 is 37355.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 20766249 + 1374629776 = 4557^2 + 37076^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1395396025 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5789905 + ... + 5790145.

Almost surely, 2^1395396025 is an apocalyptic number.

1395396025 is the 37355-th square number.

1395396025 is the 18678-th centered octagonal number.

It is an amenable number.

1395396025 is a deficient number, since it is larger than the sum of its proper divisors (399960884).

1395396025 is an frugal number, since it uses more digits than its factorization.

1395396025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 43.

The cubic root of 1395396025 is about 1117.4613058753.

The spelling of 1395396025 in words is "one billion, three hundred ninety-five million, three hundred ninety-six thousand, twenty-five".