7552481 has 6 divisors (see below), whose sum is σ = 7971282. Its totient is φ = 7154640.

The previous prime is 7552469. The next prime is 7552511. The reversal of 7552481 is 1842557.

It can be written as a sum of positive squares in only one way, i.e., 6974881 + 577600 = 2641^2 + 760^2 .

It is not a de Polignac number, because 7552481 - 2⁶ = 7552417 is a prime.

It is a super-2 number, since 2×7552481² = 114079938510722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7552081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10100 + ... + 10821.

It is an arithmetic number, because the mean of its divisors is an integer number (1328547).

Almost surely, 2^7552481 is an apocalyptic number.

It is an amenable number.

7552481 is a deficient number, since it is larger than the sum of its proper divisors (418801).

7552481 is a wasteful number, since it uses less digits than its factorization.

7552481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20959 (or 20940 counting only the distinct ones).

The product of its digits is 11200, while the sum is 32.

The square root of 7552481 is about 2748.1777598984. The cubic root of 7552481 is about 196.1988905002.

The spelling of 7552481 in words is "seven million, five hundred fifty-two thousand, four hundred eighty-one".