42961499 has 32 divisors (see below), whose sum is σ = 54950400. Its totient is φ = 32739840.

The previous prime is 42961459. The next prime is 42961511. The reversal of 42961499 is 99416924.

It is not a de Polignac number, because 42961499 - 2¹² = 42957403 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42961459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203504 + ... + 203714.

It is an arithmetic number, because the mean of its divisors is an integer number (1717200).

Almost surely, 2^42961499 is an apocalyptic number.

42961499 is a deficient number, since it is larger than the sum of its proper divisors (11988901).

42961499 is a wasteful number, since it uses less digits than its factorization.

42961499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323.

The product of its digits is 139968, while the sum is 44.

The square root of 42961499 is about 6554.5021931494. The cubic root of 42961499 is about 350.2352133209.

The spelling of 42961499 in words is "forty-two million, nine hundred sixty-one thousand, four hundred ninety-nine".