2545770225 has 12 divisors (see below), whose sum is σ = 4209006896. Its totient is φ = 1357744080.

The previous prime is 2545770223. The next prime is 2545770239. The reversal of 2545770225 is 5220775452.

It is not a de Polignac number, because 2545770225 - 2¹ = 2545770223 is a prime.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2545770223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16971727 + ... + 16971876.

Almost surely, 2^2545770225 is an apocalyptic number.

2545770225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2545770225 is a deficient number, since it is larger than the sum of its proper divisors (1663236671).

2545770225 is a wasteful number, since it uses less digits than its factorization.

2545770225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33943616 (or 33943611 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 39.

The square root of 2545770225 is about 50455.6262967769. The cubic root of 2545770225 is about 1365.4414034906.

The spelling of 2545770225 in words is "two billion, five hundred forty-five million, seven hundred seventy thousand, two hundred twenty-five".