4525551 has 10 divisors (see below), whose sum is σ = 6760512. Its totient is φ = 3016980.

The previous prime is 4525541. The next prime is 4525567. The reversal of 4525551 is 1555254.

It is a de Polignac number, because none of the positive numbers 2^k-4525551 is a prime.

It is a super-2 number, since 2×4525551² = 40961223707202, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4525501) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 27855 + ... + 28016.

Almost surely, 2^4525551 is an apocalyptic number.

4525551 is a deficient number, since it is larger than the sum of its proper divisors (2234961).

4525551 is an equidigital number, since it uses as much as digits as its factorization.

4525551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55883 (or 55874 counting only the distinct ones).

The product of its digits is 5000, while the sum is 27.

The square root of 4525551 is about 2127.3342473622. The cubic root of 4525551 is about 165.4082452792.

It can be divided in two parts, 452 and 5551, that multiplied together give a palindrome (2509052).

The spelling of 4525551 in words is "four million, five hundred twenty-five thousand, five hundred fifty-one".