42251925 has 12 divisors (see below), whose sum is σ = 69856640. Its totient is φ = 22534320.

The previous prime is 42251917. The next prime is 42251933. The reversal of 42251925 is 52915224.

It is an interprime number because it is at equal distance from previous prime (42251917) and next prime (42251933).

It is not a de Polignac number, because 42251925 - 2³ = 42251917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42251892 and 42251901.

It is a congruent number.

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, 281605 + ... + 281754.

Almost surely, 2^42251925 is an apocalyptic number.

It is an amenable number.

42251925 is a deficient number, since it is larger than the sum of its proper divisors (27604715).

42251925 is a wasteful number, since it uses less digits than its factorization.

42251925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563372 (or 563367 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 42251925 is about 6500.1480752364. The cubic root of 42251925 is about 348.2962779402.

The spelling of 42251925 in words is "forty-two million, two hundred fifty-one thousand, nine hundred twenty-five".