2152519 has 4 divisors (see below), whose sum is σ = 2172744. Its totient is φ = 2132296.

The previous prime is 2152517. The next prime is 2152559. The reversal of 2152519 is 9152512.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2152519 - 2¹ = 2152517 is a prime.

It is a super-2 number, since 2×2152519² = 9266676090722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2152493 and 2152502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9952 + ... + 10165.

It is an arithmetic number, because the mean of its divisors is an integer number (543186).

2^2152519 is an apocalyptic number.

2152519 is a deficient number, since it is larger than the sum of its proper divisors (20225).

2152519 is a wasteful number, since it uses less digits than its factorization.

2152519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20224.

The product of its digits is 900, while the sum is 25.

The square root of 2152519 is about 1467.1465502805. The cubic root of 2152519 is about 129.1166742829.

The spelling of 2152519 in words is "two million, one hundred fifty-two thousand, five hundred nineteen".