24914981 has 12 divisors (see below), whose sum is σ = 31212972. Its totient is φ = 19712448.

The previous prime is 24914977. The next prime is 24915001. The reversal of 24914981 is 18941942.

It can be written as a sum of positive squares in 2 ways, for example, as 3441025 + 21473956 = 1855^2 + 4634^2 .

It is not a de Polignac number, because 24914981 - 2² = 24914977 is a prime.

It is a super-2 number, since 2×24914981² = 1241512556460722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24914381) 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, 18920 + ... + 20193.

It is an arithmetic number, because the mean of its divisors is an integer number (2601081).

Almost surely, 2^24914981 is an apocalyptic number.

It is an amenable number.

24914981 is a deficient number, since it is larger than the sum of its proper divisors (6297991).

24914981 is a wasteful number, since it uses less digits than its factorization.

24914981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39140 (or 39133 counting only the distinct ones).

The product of its digits is 20736, while the sum is 38.

The square root of 24914981 is about 4991.4908594527. The cubic root of 24914981 is about 292.0699346159.

It can be divided in two parts, 2491 and 4981, that multiplied together give a triangular number (12407671 = T₄₉₈₁).

The spelling of 24914981 in words is "twenty-four million, nine hundred fourteen thousand, nine hundred eighty-one".