1225235025 has 48 divisors (see below), whose sum is σ = 2572355200. Its totient is φ = 560105280.

The previous prime is 1225235003. The next prime is 1225235051. The reversal of 1225235025 is 5205325221.

It is not a de Polignac number, because 1225235025 - 2¹⁶ = 1225169489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1225235025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 124930 + ... + 134379.

Almost surely, 2^1225235025 is an apocalyptic number.

1225235025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1225235025 is an abundant number, since it is smaller than the sum of its proper divisors (1347120175).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225235025 is a wasteful number, since it uses less digits than its factorization.

1225235025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259335 (or 259324 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1225235025 is about 35003.3573389754. The cubic root of 1225235025 is about 1070.0559044364.

The spelling of 1225235025 in words is "one billion, two hundred twenty-five million, two hundred thirty-five thousand, twenty-five".