42451959 has 16 divisors (see below), whose sum is σ = 61925760. Its totient is φ = 25654560.

The previous prime is 42451957. The next prime is 42451961. The reversal of 42451959 is 95915424.

It is an interprime number because it is at equal distance from previous prime (42451957) and next prime (42451961).

It is not a de Polignac number, because 42451959 - 2¹ = 42451957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42451957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11184 + ... + 14490.

It is an arithmetic number, because the mean of its divisors is an integer number (3870360).

Almost surely, 2^42451959 is an apocalyptic number.

42451959 is a deficient number, since it is larger than the sum of its proper divisors (19473801).

42451959 is a wasteful number, since it uses less digits than its factorization.

42451959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710.

The product of its digits is 64800, while the sum is 39.

The square root of 42451959 is about 6515.5167868712. The cubic root of 42451959 is about 348.8450611226.

The spelling of 42451959 in words is "forty-two million, four hundred fifty-one thousand, nine hundred fifty-nine".