2100507 has 16 divisors (see below), whose sum is σ = 3020160. Its totient is φ = 1294272.

The previous prime is 2100493. The next prime is 2100523. The reversal of 2100507 is 7050012.

It is a happy number.

It is not a de Polignac number, because 2100507 - 2¹² = 2096411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2023 + ... + 2879.

It is an arithmetic number, because the mean of its divisors is an integer number (188760).

2^2100507 is an apocalyptic number.

2100507 is a deficient number, since it is larger than the sum of its proper divisors (919653).

2100507 is a wasteful number, since it uses less digits than its factorization.

2100507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922.

The product of its (nonzero) digits is 70, while the sum is 15.

The square root of 2100507 is about 1449.3125956811. The cubic root of 2100507 is about 128.0682212828.

Adding to 2100507 its reverse (7050012), we get a palindrome (9150519).

The spelling of 2100507 in words is "two million, one hundred thousand, five hundred seven".