454220525 has 24 divisors (see below), whose sum is σ = 634268928. Its totient is φ = 319680000.

The previous prime is 454220513. The next prime is 454220539. The reversal of 454220525 is 525022454.

It is not a de Polignac number, because 454220525 - 2¹⁸ = 453958381 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 18116 + ... + 35165.

It is an arithmetic number, because the mean of its divisors is an integer number (26427872).

Almost surely, 2^454220525 is an apocalyptic number.

It is an amenable number.

454220525 is a deficient number, since it is larger than the sum of its proper divisors (180048403).

454220525 is a wasteful number, since it uses less digits than its factorization.

454220525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53333 (or 53328 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 454220525 is about 21312.4499999413. The cubic root of 454220525 is about 768.6977059191.

Adding to 454220525 its reverse (525022454), we get a palindrome (979242979).

The spelling of 454220525 in words is "four hundred fifty-four million, two hundred twenty thousand, five hundred twenty-five".