7242451 has 2 divisors, whose sum is σ = 7242452. Its totient is φ = 7242450.

The previous prime is 7242449. The next prime is 7242457. The reversal of 7242451 is 1542427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7242451 - 2¹ = 7242449 is a prime.

Together with 7242449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7242457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3621225 + 3621226.

It is an arithmetic number, because the mean of its divisors is an integer number (3621226).

Almost surely, 2^7242451 is an apocalyptic number.

7242451 is a deficient number, since it is larger than the sum of its proper divisors (1).

7242451 is an equidigital number, since it uses as much as digits as its factorization.

7242451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2240, while the sum is 25.

The square root of 7242451 is about 2691.1802243625. The cubic root of 7242451 is about 193.4766334205.

Adding to 7242451 its reverse (1542427), we get a palindrome (8784878).

The spelling of 7242451 in words is "seven million, two hundred forty-two thousand, four hundred fifty-one".