2507869 has 24 divisors (see below), whose sum is σ = 3268608. Its totient is φ = 1905120.

The previous prime is 2507863. The next prime is 2507881. The reversal of 2507869 is 9687052.

It is not a de Polignac number, because 2507869 - 2³ = 2507861 is a prime.

It is a super-2 number, since 2×2507869² = 12578813842322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2507861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19684 + ... + 19810.

It is an arithmetic number, because the mean of its divisors is an integer number (136192).

2^2507869 is an apocalyptic number.

It is an amenable number.

2507869 is a deficient number, since it is larger than the sum of its proper divisors (760739).

2507869 is a wasteful number, since it uses less digits than its factorization.

2507869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2507869 is about 1583.6252713316. The cubic root of 2507869 is about 135.8631300343.

The spelling of 2507869 in words is "two million, five hundred seven thousand, eight hundred sixty-nine".