2501842 has 20 divisors (see below), whose sum is σ = 4386366. Its totient is φ = 1070160.

The previous prime is 2501833. The next prime is 2501843. The reversal of 2501842 is 2481052.

It can be written as a sum of positive squares in only one way, i.e., 2307361 + 194481 = 1519^2 + 441^2 .

It is not an unprimeable number, because it can be changed into a prime (2501843) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4542 + ... + 5062.

2^2501842 is an apocalyptic number.

2501842 is a deficient number, since it is larger than the sum of its proper divisors (1884524).

2501842 is an frugal number, since it uses more digits than its factorization.

2501842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 530 counting only the distinct ones).

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

The square root of 2501842 is about 1581.7212143738. The cubic root of 2501842 is about 135.7542056948.

Adding to 2501842 its reverse (2481052), we get a palindrome (4982894).

The spelling of 2501842 in words is "two million, five hundred one thousand, eight hundred forty-two".