42450951 has 16 divisors (see below), whose sum is σ = 58380768. Its totient is φ = 27417600.

The previous prime is 42450923. The next prime is 42450973. The reversal of 42450951 is 15905424.

It is not a de Polignac number, because 42450951 - 2¹⁸ = 42188807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42450911) 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, 30511 + ... + 31871.

It is an arithmetic number, because the mean of its divisors is an integer number (3648798).

Almost surely, 2^42450951 is an apocalyptic number.

42450951 is a deficient number, since it is larger than the sum of its proper divisors (15929817).

42450951 is a wasteful number, since it uses less digits than its factorization.

42450951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682.

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

The square root of 42450951 is about 6515.4394326093. The cubic root of 42450951 is about 348.8423000517.

The spelling of 42450951 in words is "forty-two million, four hundred fifty thousand, nine hundred fifty-one".