245911225 has 12 divisors (see below), whose sum is σ = 348491584. Its totient is φ = 168624720.

The previous prime is 245911223. The next prime is 245911241. The reversal of 245911225 is 522119542.

It is not a de Polignac number, because 245911225 - 2¹ = 245911223 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (245911223) 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, 702429 + ... + 702778.

Almost surely, 2^245911225 is an apocalyptic number.

245911225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245911225 is a deficient number, since it is larger than the sum of its proper divisors (102580359).

245911225 is a wasteful number, since it uses less digits than its factorization.

245911225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405224 (or 1405219 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 245911225 is about 15681.5568423547. The cubic root of 245911225 is about 626.5072740777.

The spelling of 245911225 in words is "two hundred forty-five million, nine hundred eleven thousand, two hundred twenty-five".