611203422025 has 45 divisors (see below), whose sum is σ = 884432172263. Its totient is φ = 418979576400.

The previous prime is 611203422013. The next prime is 611203422031. The reversal of 611203422025 is 520224302116.

The square root of 611203422025 is 781795.

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., 220033231929 + 391170190096 = 469077^2 + 625436^2 .

It is not a de Polignac number, because 611203422025 - 2²¹ = 611201324873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 611203421984 and 611203422002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 191538180 + ... + 191541370.

Almost surely, 2^611203422025 is an apocalyptic number.

611203422025 is the 781795-th square number.

611203422025 is the 390898-th centered octagonal number.

It is an amenable number.

611203422025 is a deficient number, since it is larger than the sum of its proper divisors (273228750238).

611203422025 is an frugal number, since it uses more digits than its factorization.

611203422025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6420 (or 3203 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 611203422025 in words is "six hundred eleven billion, two hundred three million, four hundred twenty-two thousand, twenty-five".