2542501 has 8 divisors (see below), whose sum is σ = 2752344. Its totient is φ = 2334720.

The previous prime is 2542483. The next prime is 2542511. The reversal of 2542501 is 1052452.

It can be written as a sum of positive squares in 4 ways, for example, as 65025 + 2477476 = 255^2 + 1574^2 .

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-2542501 is a prime.

It is a super-2 number, since 2×2542501² = 12928622670002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542511) 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, 2961 + ... + 3721.

It is an arithmetic number, because the mean of its divisors is an integer number (344043).

2^2542501 is an apocalyptic number.

It is an amenable number.

2542501 is a deficient number, since it is larger than the sum of its proper divisors (209843).

2542501 is a wasteful number, since it uses less digits than its factorization.

2542501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2542501 is about 1594.5221854838. The cubic root of 2542501 is about 136.4856662663.

Adding to 2542501 its reverse (1052452), we get a palindrome (3594953).

The spelling of 2542501 in words is "two million, five hundred forty-two thousand, five hundred one".