15980495 has 4 divisors (see below), whose sum is σ = 19176600. Its totient is φ = 12784392.

The previous prime is 15980473. The next prime is 15980519. The reversal of 15980495 is 59408951.

It is a happy number.

15980495 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59408951 = 7 ⋅8486993.

It is a cyclic number.

It is not a de Polignac number, because 15980495 - 2⁶ = 15980431 is a prime.

It is a congruent 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, 1598045 + ... + 1598054.

It is an arithmetic number, because the mean of its divisors is an integer number (4794150).

Almost surely, 2^15980495 is an apocalyptic number.

15980495 is a deficient number, since it is larger than the sum of its proper divisors (3196105).

15980495 is an equidigital number, since it uses as much as digits as its factorization.

15980495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196104.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 15980495 is about 3997.5611314900. The cubic root of 15980495 is about 251.8817735085.

The spelling of 15980495 in words is "fifteen million, nine hundred eighty thousand, four hundred ninety-five".