19525065 has 32 divisors (see below), whose sum is σ = 37585920. Its totient is φ = 8455104.

The previous prime is 19525057. The next prime is 19525081. The reversal of 19525065 is 56052591.

It is not a de Polignac number, because 19525065 - 2³ = 19525057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2899 + ... + 6888.

It is an arithmetic number, because the mean of its divisors is an integer number (1174560).

Almost surely, 2^19525065 is an apocalyptic number.

19525065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19525065 is a deficient number, since it is larger than the sum of its proper divisors (18060855).

19525065 is a wasteful number, since it uses less digits than its factorization.

19525065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9821.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 19525065 is about 4418.7175741385. The cubic root of 19525065 is about 269.2759062052.

The spelling of 19525065 in words is "nineteen million, five hundred twenty-five thousand, sixty-five".