908428203225 has 27 divisors (see below), whose sum is σ = 1627121455869. Its totient is φ = 484487416800.

The previous prime is 908428203211. The next prime is 908428203229. The reversal of 908428203225 is 522302824809.

The square root of 908428203225 is 953115.

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 37132904601 + 871295298624 = 192699^2 + 933432^2 .

It is not a de Polignac number, because 908428203225 - 2¹⁵ = 908428170457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (908428203229) 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, 14264955 + ... + 14328495.

Almost surely, 2^908428203225 is an apocalyptic number.

908428203225 is the 953115-th square number.

908428203225 is the 476558-th centered octagonal number.

It is an amenable number.

908428203225 is a deficient number, since it is larger than the sum of its proper divisors (718693252644).

908428203225 is an frugal number, since it uses more digits than its factorization.

908428203225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127098 (or 63549 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 908428203225 in words is "nine hundred eight billion, four hundred twenty-eight million, two hundred three thousand, two hundred twenty-five".