42425951 has 2 divisors, whose sum is σ = 42425952. Its totient is φ = 42425950.

The previous prime is 42425947. The next prime is 42425969. The reversal of 42425951 is 15952424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42425951 - 2² = 42425947 is a prime.

It is a super-2 number, since 2×42425951² = 3599922636508802, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42925951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21212975 + 21212976.

It is an arithmetic number, because the mean of its divisors is an integer number (21212976).

Almost surely, 2^42425951 is an apocalyptic number.

42425951 is a deficient number, since it is larger than the sum of its proper divisors (1).

42425951 is an equidigital number, since it uses as much as digits as its factorization.

42425951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 32.

The square root of 42425951 is about 6513.5206301969. The cubic root of 42425951 is about 348.7738071217.

The spelling of 42425951 in words is "forty-two million, four hundred twenty-five thousand, nine hundred fifty-one".