2142501 has 8 divisors (see below), whose sum is σ = 2865024. Its totient is φ = 1424160.

The previous prime is 2142499. The next prime is 2142521. The reversal of 2142501 is 1052412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2142501 - 2¹ = 2142499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142521) 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, 465 + ... + 2121.

It is an arithmetic number, because the mean of its divisors is an integer number (358128).

2^2142501 is an apocalyptic number.

It is an amenable number.

2142501 is a deficient number, since it is larger than the sum of its proper divisors (722523).

2142501 is a wasteful number, since it uses less digits than its factorization.

2142501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2142501 is about 1463.7284584239. The cubic root of 2142501 is about 128.9160561980.

Adding to 2142501 its reverse (1052412), we get a palindrome (3194913).

The spelling of 2142501 in words is "two million, one hundred forty-two thousand, five hundred one".