4202551 has 4 divisors (see below), whose sum is σ = 4208400. Its totient is φ = 4196704.

The previous prime is 4202521. The next prime is 4202567. The reversal of 4202551 is 1552024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4202551 - 2¹⁵ = 4169783 is a prime.

It is a super-2 number, since 2×4202551² = 35322869815202, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4 + 2¹³ + 0 + 2²² + 5² + 5² + 1 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4202501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666 + ... + 3343.

It is an arithmetic number, because the mean of its divisors is an integer number (1052100).

Almost surely, 2^4202551 is an apocalyptic number.

4202551 is a deficient number, since it is larger than the sum of its proper divisors (5849).

4202551 is an equidigital number, since it uses as much as digits as its factorization.

4202551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5848.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 4202551 is about 2050.0124389867. The cubic root of 4202551 is about 161.3755235188.

Adding to 4202551 its reverse (1552024), we get a palindrome (5754575).

It can be divided in two parts, 4202 and 551, that added together give a triangular number (4753 = T₉₇).

The spelling of 4202551 in words is "four million, two hundred two thousand, five hundred fifty-one".