65099025 has 24 divisors (see below), whose sum is σ = 119590560. Its totient is φ = 34719120.

The previous prime is 65098981. The next prime is 65099063. The reversal of 65099025 is 52099056.

It is not a de Polignac number, because 65099025 - 2⁹ = 65098513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47547 + ... + 48896.

It is an arithmetic number, because the mean of its divisors is an integer number (4982940).

Almost surely, 2^65099025 is an apocalyptic number.

It is an amenable number.

65099025 is a deficient number, since it is larger than the sum of its proper divisors (54491535).

65099025 is a wasteful number, since it uses less digits than its factorization.

65099025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96462 (or 96451 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 65099025 is about 8068.3966808778. The cubic root of 65099025 is about 402.2766529611.

The spelling of 65099025 in words is "sixty-five million, ninety-nine thousand, twenty-five".