2501830 has 16 divisors (see below), whose sum is σ = 4659120. Its totient is φ = 966112.

The previous prime is 2501819. The next prime is 2501833. The reversal of 2501830 is 381052.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2501798 and 2501807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501833) 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, 4024 + ... + 4603.

It is an arithmetic number, because the mean of its divisors is an integer number (291195).

2^2501830 is an apocalyptic number.

2501830 is a deficient number, since it is larger than the sum of its proper divisors (2157290).

2501830 is a wasteful number, since it uses less digits than its factorization.

2501830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8663.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2501830 is about 1581.7174210332. The cubic root of 2501830 is about 135.7539886477.

Adding to 2501830 its reverse (381052), we get a palindrome (2882882).

It can be divided in two parts, 250 and 1830, that added together give a triangular number (2080 = T₆₄).

The spelling of 2501830 in words is "two million, five hundred one thousand, eight hundred thirty".