7420572541 has 2 divisors, whose sum is σ = 7420572542. Its totient is φ = 7420572540.

The previous prime is 7420572499. The next prime is 7420572553. The reversal of 7420572541 is 1452750247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6450499225 + 970073316 = 80315^2 + 31146^2 .

It is a cyclic number.

It is not a de Polignac number, because 7420572541 - 2⁷ = 7420572413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7420572541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7420573541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710286270 + 3710286271.

It is an arithmetic number, because the mean of its divisors is an integer number (3710286271).

Almost surely, 2^7420572541 is an apocalyptic number.

It is an amenable number.

7420572541 is a deficient number, since it is larger than the sum of its proper divisors (1).

7420572541 is an equidigital number, since it uses as much as digits as its factorization.

7420572541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78400, while the sum is 37.

The square root of 7420572541 is about 86142.7451443243. The cubic root of 7420572541 is about 1950.4993278374.

The spelling of 7420572541 in words is "seven billion, four hundred twenty million, five hundred seventy-two thousand, five hundred forty-one".