65010540 has 48 divisors (see below), whose sum is σ = 208035072. Its totient is φ = 14859456.

The previous prime is 65010529. The next prime is 65010551. The reversal of 65010540 is 4501056.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (65010529) and next prime (65010551).

It is a super-2 number, since 2×65010540² = 8452740622183200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76974 + ... + 77813.

It is an arithmetic number, because the mean of its divisors is an integer number (4334064).

Almost surely, 2^65010540 is an apocalyptic number.

65010540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65010540 is an abundant number, since it is smaller than the sum of its proper divisors (143024532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65010540 is a wasteful number, since it uses less digits than its factorization.

65010540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154806 (or 154804 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 65010540 is about 8062.9113848535. The cubic root of 65010540 is about 402.0943072225.

Adding to 65010540 its reverse (4501056), we get a palindrome (69511596).

The spelling of 65010540 in words is "sixty-five million, ten thousand, five hundred forty".