7542481 has 2 divisors, whose sum is σ = 7542482. Its totient is φ = 7542480.

The previous prime is 7542463. The next prime is 7542533. The reversal of 7542481 is 1842457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4064256 + 3478225 = 2016^2 + 1865^2 .

It is a cyclic number.

It is not a de Polignac number, because 7542481 - 2¹⁵ = 7509713 is a prime.

It is a super-2 number, since 2×7542481² = 113778039270722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7542461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3771240 + 3771241.

It is an arithmetic number, because the mean of its divisors is an integer number (3771241).

Almost surely, 2^7542481 is an apocalyptic number.

It is an amenable number.

7542481 is a deficient number, since it is larger than the sum of its proper divisors (1).

7542481 is an equidigital number, since it uses as much as digits as its factorization.

7542481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8960, while the sum is 31.

The square root of 7542481 is about 2746.3577698472. The cubic root of 7542481 is about 196.1122586822.

The spelling of 7542481 in words is "seven million, five hundred forty-two thousand, four hundred eighty-one".