7242369057225 has 27 divisors (see below), whose sum is σ = 12971959992199. Its totient is φ = 3862575301200.

The previous prime is 7242369057167. The next prime is 7242369057281. The reversal of 7242369057225 is 5227509632427.

The square root of 7242369057225 is 2691165.

It is a perfect power (a square), and thus also a powerful number.

7242369057225 is a `hidden beast` number, since 7 + 2 + 4 + 2 + 3 + 69 + 0 + 572 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2607252860601 + 4635116196624 = 1614699^2 + 2152932^2 .

It is not a de Polignac number, because 7242369057225 - 2¹³ = 7242369049033 is a prime.

It is a super-2 number, since 2×7242369057225² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 40277770 + ... + 40457180.

Almost surely, 2^{7242369057225} is an apocalyptic number.

7242369057225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7242369057225 is the 2691165-th square number.

7242369057225 is the 1345583-rd centered octagonal number.

It is an amenable number.

7242369057225 is a deficient number, since it is larger than the sum of its proper divisors (5729590934974).

7242369057225 is an frugal number, since it uses more digits than its factorization.

7242369057225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358838 (or 179419 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 54.

The spelling of 7242369057225 in words is "seven trillion, two hundred forty-two billion, three hundred sixty-nine million, fifty-seven thousand, two hundred twenty-five".