1023040225 has 9 divisors (see below), whose sum is σ = 1268768217. Its totient is φ = 818304240.

The previous prime is 1023040223. The next prime is 1023040231. The reversal of 1023040225 is 5220403201.

The square root of 1023040225 is 31985.

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

1023040225 is digitally balanced in base 6, 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 566106849 + 456933376 = 23793^2 + 21376^2 .

It is not a de Polignac number, because 1023040225 - 2¹ = 1023040223 is a prime.

It is a super-2 number, since 2×1023040225² = 2093222603936101250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023040223) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 156727 + ... + 163123.

Almost surely, 2^1023040225 is an apocalyptic number.

1023040225 is the 31985-th square number.

1023040225 is the 15993-rd centered octagonal number.

It is an amenable number.

1023040225 is a deficient number, since it is larger than the sum of its proper divisors (245727992).

1023040225 is an frugal number, since it uses more digits than its factorization.

1023040225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12804 (or 6402 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The cubic root of 1023040225 is about 1007.6218350405.

Adding to 1023040225 its reverse (5220403201), we get a palindrome (6243443426).

The spelling of 1023040225 in words is "one billion, twenty-three million, forty thousand, two hundred twenty-five".