2516432 has 10 divisors (see below), whose sum is σ = 4875618. Its totient is φ = 1258208.

The previous prime is 2516429. The next prime is 2516447. The reversal of 2516432 is 2346152.

It can be written as a sum of positive squares in only one way, i.e., 2383936 + 132496 = 1544^2 + 364^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2516398 and 2516407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78623 + ... + 78654.

2^2516432 is an apocalyptic number.

It is an amenable number.

2516432 is a deficient number, since it is larger than the sum of its proper divisors (2359186).

2516432 is a wasteful number, since it uses less digits than its factorization.

2516432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157285 (or 157279 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 2516432 is about 1586.3265741959. The cubic root of 2516432 is about 136.0175871143.

The spelling of 2516432 in words is "two million, five hundred sixteen thousand, four hundred thirty-two".