19265225 has 24 divisors (see below), whose sum is σ = 27468480. Its totient is φ = 13129920.

The previous prime is 19265209. The next prime is 19265227. The reversal of 19265225 is 52256291.

19265225 = T₃₇₉ + T₃₈₀ + ... + T₅₅₃.

It is not a de Polignac number, because 19265225 - 2⁴ = 19265209 is a prime.

It is a super-2 number, since 2×19265225² = 742297788601250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19265191 and 19265200.

It is not an unprimeable number, because it can be changed into a prime (19265227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49331 + ... + 49719.

It is an arithmetic number, because the mean of its divisors is an integer number (1144520).

Almost surely, 2^19265225 is an apocalyptic number.

It is an amenable number.

19265225 is a deficient number, since it is larger than the sum of its proper divisors (8203255).

19265225 is a wasteful number, since it uses less digits than its factorization.

19265225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 684 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 19265225 is about 4389.2169005416. The cubic root of 19265225 is about 268.0760579035.

The spelling of 19265225 in words is "nineteen million, two hundred sixty-five thousand, two hundred twenty-five".