2125501 has 4 divisors (see below), whose sum is σ = 2429152. Its totient is φ = 1821852.

The previous prime is 2125477. The next prime is 2125517. The reversal of 2125501 is 1055212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2125501 - 2⁵ = 2125469 is a prime.

It is a Duffinian number.

2125501 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151815 + ... + 151828.

It is an arithmetic number, because the mean of its divisors is an integer number (607288).

2^2125501 is an apocalyptic number.

It is an amenable number.

2125501 is a deficient number, since it is larger than the sum of its proper divisors (303651).

2125501 is an equidigital number, since it uses as much as digits as its factorization.

2125501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303650.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 2125501 is about 1457.9098051663. The cubic root of 2125501 is about 128.5741823631.

The spelling of 2125501 in words is "two million, one hundred twenty-five thousand, five hundred one".