1043420525 has 24 divisors (see below), whose sum is σ = 1479887424. Its totient is φ = 714902400.

The previous prime is 1043420513. The next prime is 1043420527. The reversal of 1043420525 is 5250243401.

It is a happy number.

It is not a de Polignac number, because 1043420525 - 2²⁴ = 1026643309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1043420494 and 1043420503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043420527) by changing a digit.

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, 420689 + ... + 423161.

It is an arithmetic number, because the mean of its divisors is an integer number (61661976).

Almost surely, 2^1043420525 is an apocalyptic number.

It is an amenable number.

1043420525 is a deficient number, since it is larger than the sum of its proper divisors (436466899).

1043420525 is a wasteful number, since it uses less digits than its factorization.

1043420525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4901 (or 4896 counting only the distinct ones).

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

The square root of 1043420525 is about 32302.0204476438. The cubic root of 1043420525 is about 1014.2689373624.

Adding to 1043420525 its reverse (5250243401), we get a palindrome (6293663926).

The spelling of 1043420525 in words is "one billion, forty-three million, four hundred twenty thousand, five hundred twenty-five".