15480465 has 64 divisors (see below), whose sum is σ = 33288192. Its totient is φ = 5932800.

The previous prime is 15480463. The next prime is 15480499. The reversal of 15480465 is 56408451.

15480465 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15480465 - 2¹ = 15480463 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15480463) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14500 + ... + 15530.

It is an arithmetic number, because the mean of its divisors is an integer number (520128).

Almost surely, 2^15480465 is an apocalyptic number.

15480465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15480465 is an abundant number, since it is smaller than the sum of its proper divisors (17807727).

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

15480465 is a wasteful number, since it uses less digits than its factorization.

15480465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070.

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 15480465 is about 3934.5222073334. The cubic root of 15480465 is about 249.2267575166.

The spelling of 15480465 in words is "fifteen million, four hundred eighty thousand, four hundred sixty-five".