2501428 has 12 divisors (see below), whose sum is σ = 4388580. Its totient is φ = 1247552.

The previous prime is 2501417. The next prime is 2501449. The reversal of 2501428 is 8241052.

It can be written as a sum of positive squares in 2 ways, for example, as 1127844 + 1373584 = 1062^2 + 1172^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2501399 and 2501408.

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, 2688 + ... + 3496.

It is an arithmetic number, because the mean of its divisors is an integer number (365715).

2^2501428 is an apocalyptic number.

It is an amenable number.

2501428 is a deficient number, since it is larger than the sum of its proper divisors (1887152).

2501428 is a wasteful number, since it uses less digits than its factorization.

2501428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586 (or 1584 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 2501428 is about 1581.5903388678. The cubic root of 2501428 is about 135.7467171668.

The spelling of 2501428 in words is "two million, five hundred one thousand, four hundred twenty-eight".