501125453 has 2 divisors, whose sum is σ = 501125454. Its totient is φ = 501125452.

The previous prime is 501125369. The next prime is 501125459. The reversal of 501125453 is 354521105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 333500644 + 167624809 = 18262^2 + 12947^2 .

It is a cyclic number.

It is not a de Polignac number, because 501125453 - 2¹⁴ = 501109069 is a prime.

It is a super-2 number, since 2×501125453² = 502253439288910418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501125459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250562726 + 250562727.

It is an arithmetic number, because the mean of its divisors is an integer number (250562727).

Almost surely, 2^501125453 is an apocalyptic number.

It is an amenable number.

501125453 is a deficient number, since it is larger than the sum of its proper divisors (1).

501125453 is an equidigital number, since it uses as much as digits as its factorization.

501125453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 501125453 is about 22385.8315235329. The cubic root of 501125453 is about 794.2955948179.

Adding to 501125453 its reverse (354521105), we get a palindrome (855646558).

The spelling of 501125453 in words is "five hundred one million, one hundred twenty-five thousand, four hundred fifty-three".