7425242437 has 2 divisors, whose sum is σ = 7425242438. Its totient is φ = 7425242436.

The previous prime is 7425242417. The next prime is 7425242449. The reversal of 7425242437 is 7342425247.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5734881441 + 1690360996 = 75729^2 + 41114^2 .

It is a cyclic number.

It is not a de Polignac number, because 7425242437 - 2²⁷ = 7291024709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7425242437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7425242417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3712621218 + 3712621219.

It is an arithmetic number, because the mean of its divisors is an integer number (3712621219).

Almost surely, 2^7425242437 is an apocalyptic number.

It is an amenable number.

7425242437 is a deficient number, since it is larger than the sum of its proper divisors (1).

7425242437 is an equidigital number, since it uses as much as digits as its factorization.

7425242437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 376320, while the sum is 40.

The square root of 7425242437 is about 86169.8464487433. The cubic root of 7425242437 is about 1950.9084031429.

The spelling of 7425242437 in words is "seven billion, four hundred twenty-five million, two hundred forty-two thousand, four hundred thirty-seven".