2521042319 has 8 divisors (see below), whose sum is σ = 2696859648. Its totient is φ = 2348282880.

The previous prime is 2521042309. The next prime is 2521042331. The reversal of 2521042319 is 9132401252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2521042319 is a prime.

It is a super-2 number, since 2×2521042319² = 12711308748377795522, 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 = 2521042291 and 2521042300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521042309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762767 + ... + 766064.

It is an arithmetic number, because the mean of its divisors is an integer number (337107456).

Almost surely, 2^2521042319 is an apocalyptic number.

2521042319 is a deficient number, since it is larger than the sum of its proper divisors (175817329).

2521042319 is a wasteful number, since it uses less digits than its factorization.

2521042319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528945.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2521042319 is about 50209.9822644860. The cubic root of 2521042319 is about 1361.0060172890.

The spelling of 2521042319 in words is "two billion, five hundred twenty-one million, forty-two thousand, three hundred nineteen".