4202531225 has 12 divisors (see below), whose sum is σ = 5351981484. Its totient is φ = 3271158720.

The previous prime is 4202531209. The next prime is 4202531231. The reversal of 4202531225 is 5221352024.

It can be written as a sum of positive squares in 6 ways, for example, as 817502464 + 3385028761 = 28592^2 + 58181^2 .

It is not a de Polignac number, because 4202531225 - 2⁴ = 4202531209 is a prime.

It is a super-2 number, since 2×4202531225² = 35322537394200001250, 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 = 4202531194 and 4202531203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2270714 + ... + 2272563.

It is an arithmetic number, because the mean of its divisors is an integer number (445998457).

Almost surely, 2^4202531225 is an apocalyptic number.

It is an amenable number.

4202531225 is a deficient number, since it is larger than the sum of its proper divisors (1149450259).

4202531225 is a wasteful number, since it uses less digits than its factorization.

4202531225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4543324 (or 4543319 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4202531225 is about 64826.9328674433. The cubic root of 4202531225 is about 1613.7527040222.

Adding to 4202531225 its reverse (5221352024), we get a palindrome (9423883249).

The spelling of 4202531225 in words is "four billion, two hundred two million, five hundred thirty-one thousand, two hundred twenty-five".