551242025 has 6 divisors (see below), whose sum is σ = 683540142. Its totient is φ = 440993600.

The previous prime is 551242019. The next prime is 551242049. The reversal of 551242025 is 520242155.

It can be written as a sum of positive squares in 3 ways, for example, as 14115049 + 537126976 = 3757^2 + 23176^2 .

It is not a de Polignac number, because 551242025 - 2¹⁰ = 551241001 is a prime.

It is a super-2 number, since 2×551242025² = 607735540252201250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551241985 and 551242003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11024816 + ... + 11024865.

It is an arithmetic number, because the mean of its divisors is an integer number (113923357).

Almost surely, 2^551242025 is an apocalyptic number.

It is an amenable number.

551242025 is a deficient number, since it is larger than the sum of its proper divisors (132298117).

551242025 is a wasteful number, since it uses less digits than its factorization.

551242025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22049691 (or 22049686 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 551242025 is about 23478.5439284467. The cubic root of 551242025 is about 819.9375448169.

The spelling of 551242025 in words is "five hundred fifty-one million, two hundred forty-two thousand, twenty-five".