2511428 has 12 divisors (see below), whose sum is σ = 4461072. Its totient is φ = 1236840.

The previous prime is 2511413. The next prime is 2511433. The reversal of 2511428 is 8241152.

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, 4418 + ... + 4953.

It is an arithmetic number, because the mean of its divisors is an integer number (371756).

2^2511428 is an apocalyptic number.

It is an amenable number.

2511428 is a deficient number, since it is larger than the sum of its proper divisors (1949644).

2511428 is a wasteful number, since it uses less digits than its factorization.

2511428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9442 (or 9440 counting only the distinct ones).

The product of its digits is 640, while the sum is 23.

The square root of 2511428 is about 1584.7485604978. The cubic root of 2511428 is about 135.9273689460.

The spelling of 2511428 in words is "two million, five hundred eleven thousand, four hundred twenty-eight".