42924425 has 12 divisors (see below), whose sum is σ = 53461980. Its totient is φ = 34187520.

The previous prime is 42924407. The next prime is 42924443. The reversal of 42924425 is 52442924.

It is an interprime number because it is at equal distance from previous prime (42924407) and next prime (42924443).

It can be written as a sum of positive squares in 6 ways, for example, as 100489 + 42823936 = 317^2 + 6544^2 .

It is not a de Polignac number, because 42924425 - 2¹⁰ = 42923401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42924391 and 42924400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2141 + ... + 9509.

It is an arithmetic number, because the mean of its divisors is an integer number (4455165).

Almost surely, 2^42924425 is an apocalyptic number.

It is an amenable number.

42924425 is a deficient number, since it is larger than the sum of its proper divisors (10537555).

42924425 is a wasteful number, since it uses less digits than its factorization.

42924425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7612 (or 7607 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 42924425 is about 6551.6734503484. The cubic root of 42924425 is about 350.1344381504.

The spelling of 42924425 in words is "forty-two million, nine hundred twenty-four thousand, four hundred twenty-five".