2467521 has 24 divisors (see below), whose sum is σ = 4155840. Its totient is φ = 1381536.

The previous prime is 2467519. The next prime is 2467541. The reversal of 2467521 is 1257642.

It is not a de Polignac number, because 2467521 - 2¹ = 2467519 is a prime.

It is a Curzon number.

2467521 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2467541) 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, 2970 + ... + 3708.

It is an arithmetic number, because the mean of its divisors is an integer number (173160).

2^2467521 is an apocalyptic number.

2467521 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2467521 is a deficient number, since it is larger than the sum of its proper divisors (1688319).

2467521 is a wasteful number, since it uses less digits than its factorization.

2467521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805 (or 802 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 2467521 is about 1570.8344915999. The cubic root of 2467521 is about 135.1305732561.

It can be divided in two parts, 246752 and 1, that added together give a triangular number (246753 = T₇₀₂).

The spelling of 2467521 in words is "two million, four hundred sixty-seven thousand, five hundred twenty-one".