7295552021 has 2 divisors, whose sum is σ = 7295552022. Its totient is φ = 7295552020.

The previous prime is 7295551987. The next prime is 7295552027. The reversal of 7295552021 is 1202555927.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7295551396 + 625 = 85414^2 + 25^2 .

It is a cyclic number.

It is not a de Polignac number, because 7295552021 - 2¹⁸ = 7295289877 is a prime.

It is a super-2 number, since 2×7295552021² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7295552027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3647776010 + 3647776011.

It is an arithmetic number, because the mean of its divisors is an integer number (3647776011).

Almost surely, 2^7295552021 is an apocalyptic number.

It is an amenable number.

7295552021 is a deficient number, since it is larger than the sum of its proper divisors (1).

7295552021 is an equidigital number, since it uses as much as digits as its factorization.

7295552021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 7295552021 is about 85414.0036586507. The cubic root of 7295552021 is about 1939.4833375444.

The spelling of 7295552021 in words is "seven billion, two hundred ninety-five million, five hundred fifty-two thousand, twenty-one".