103240465 has 4 divisors (see below), whose sum is σ = 123888564. Its totient is φ = 82592368.

The previous prime is 103240429. The next prime is 103240477. The reversal of 103240465 is 564042301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 564042301 = 59 ⋅9560039.

It can be written as a sum of positive squares in 2 ways, for example, as 52432081 + 50808384 = 7241^2 + 7128^2 .

It is a cyclic number.

It is not a de Polignac number, because 103240465 - 2¹¹ = 103238417 is a prime.

It is a super-2 number, since 2×103240465² = 21317187226832450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10324042 + ... + 10324051.

It is an arithmetic number, because the mean of its divisors is an integer number (30972141).

Almost surely, 2^103240465 is an apocalyptic number.

It is an amenable number.

103240465 is a deficient number, since it is larger than the sum of its proper divisors (20648099).

103240465 is an equidigital number, since it uses as much as digits as its factorization.

103240465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20648098.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 103240465 is about 10160.7315189409. The cubic root of 103240465 is about 469.1193180717.

Adding to 103240465 its reverse (564042301), we get a palindrome (667282766).

The spelling of 103240465 in words is "one hundred three million, two hundred forty thousand, four hundred sixty-five".