2981525 has 12 divisors (see below), whose sum is σ = 3720000. Its totient is φ = 2370480.

The previous prime is 2981509. The next prime is 2981527. The reversal of 2981525 is 5251892.

It is not a de Polignac number, because 2981525 - 2⁴ = 2981509 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2981491 and 2981500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2981527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5726 + ... + 6224.

It is an arithmetic number, because the mean of its divisors is an integer number (310000).

2^2981525 is an apocalyptic number.

2981525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2981525 is a deficient number, since it is larger than the sum of its proper divisors (738475).

2981525 is a wasteful number, since it uses less digits than its factorization.

2981525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 743 counting only the distinct ones).

The product of its digits is 7200, while the sum is 32.

The square root of 2981525 is about 1726.7092980580. The cubic root of 2981525 is about 143.9282854070.

It can be divided in two parts, 29 and 81525, that multiplied together give a triangular number (2364225 = T₂₁₇₄).

The spelling of 2981525 in words is "two million, nine hundred eighty-one thousand, five hundred twenty-five".