1369370025 has 27 divisors (see below), whose sum is σ = 2453688471. Its totient is φ = 730034640.

The previous prime is 1369370011. The next prime is 1369370027. The reversal of 1369370025 is 5200739631.

The square root of 1369370025 is 37005.

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

It can be written as a sum of positive squares in only one way, i.e., 492973209 + 876396816 = 22203^2 + 29604^2 .

It is not a de Polignac number, because 1369370025 - 2⁵ = 1369369993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1369370027) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 553842 + ... + 556308.

Almost surely, 2^1369370025 is an apocalyptic number.

1369370025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1369370025 is the 37005-th square number.

1369370025 is the 18503-rd centered octagonal number.

It is an amenable number.

1369370025 is a deficient number, since it is larger than the sum of its proper divisors (1084318446).

1369370025 is an frugal number, since it uses more digits than its factorization.

1369370025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4950 (or 2475 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The cubic root of 1369370025 is about 1110.4702779614.

Multiplying 1369370025 by its sum of digits (36), we get a square (49297320900 = 222030²).

The spelling of 1369370025 in words is "one billion, three hundred sixty-nine million, three hundred seventy thousand, twenty-five".