609110007025 has 27 divisors (see below), whose sum is σ = 817933463361. Its totient is φ = 449766851040.

The previous prime is 609110007019. The next prime is 609110007059. The reversal of 609110007025 is 520700011906.

The square root of 609110007025 is 780455.

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

609110007025 is digitally balanced in base 2, 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 4 ways, for example, as 156999005361 + 452111001664 = 396231^2 + 672392^2 .

It is not a de Polignac number, because 609110007025 - 2²⁹ = 608573136113 is a prime.

It is a Duffinian number.

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, 50723572 + ... + 50735578.

Almost surely, 2^609110007025 is an apocalyptic number.

609110007025 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

609110007025 is the 780455-th square number.

609110007025 is the 390228-th centered octagonal number.

It is an amenable number.

609110007025 is a deficient number, since it is larger than the sum of its proper divisors (208823456336).

609110007025 is an frugal number, since it uses more digits than its factorization.

609110007025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24050 (or 12025 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 31.

It can be divided in two parts, 60911000 and 7025, that added together give a square (60918025 = 7805²).

The spelling of 609110007025 in words is "six hundred nine billion, one hundred ten million, seven thousand, twenty-five".