30125453 has 2 divisors, whose sum is σ = 30125454. Its totient is φ = 30125452.

The previous prime is 30125429. The next prime is 30125467. The reversal of 30125453 is 35452103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23785129 + 6340324 = 4877^2 + 2518^2 .

It is an emirp because it is prime and its reverse (35452103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30125453 - 2⁸ = 30125197 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30125483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15062726 + 15062727.

It is an arithmetic number, because the mean of its divisors is an integer number (15062727).

Almost surely, 2^30125453 is an apocalyptic number.

It is an amenable number.

30125453 is a deficient number, since it is larger than the sum of its proper divisors (1).

30125453 is an equidigital number, since it uses as much as digits as its factorization.

30125453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 30125453 is about 5488.6658670391. The cubic root of 30125453 is about 311.1557722968.

Adding to 30125453 its reverse (35452103), we get a palindrome (65577556).

The spelling of 30125453 in words is "thirty million, one hundred twenty-five thousand, four hundred fifty-three".