72025601 has 2 divisors, whose sum is σ = 72025602. Its totient is φ = 72025600.

The previous prime is 72025543. The next prime is 72025621. The reversal of 72025601 is 10652027.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71385601 + 640000 = 8449^2 + 800^2 .

It is a cyclic number.

It is not a de Polignac number, because 72025601 - 2⁶ = 72025537 is a prime.

It is a super-2 number, since 2×72025601² = 10375374398822402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72025621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36012800 + 36012801.

It is an arithmetic number, because the mean of its divisors is an integer number (36012801).

Almost surely, 2^72025601 is an apocalyptic number.

It is an amenable number.

72025601 is a deficient number, since it is larger than the sum of its proper divisors (1).

72025601 is an equidigital number, since it uses as much as digits as its factorization.

72025601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 72025601 is about 8486.7897935556. The cubic root of 72025601 is about 416.0660663841.

Adding to 72025601 its reverse (10652027), we get a palindrome (82677628).

The spelling of 72025601 in words is "seventy-two million, twenty-five thousand, six hundred one".