42102537 has 16 divisors (see below), whose sum is σ = 59458560. Its totient is φ = 26425872.

The previous prime is 42102527. The next prime is 42102539. The reversal of 42102537 is 73520124.

It is not a de Polignac number, because 42102537 - 2⁴ = 42102521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42102539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7308 + ... + 11730.

It is an arithmetic number, because the mean of its divisors is an integer number (3716160).

Almost surely, 2^42102537 is an apocalyptic number.

It is an amenable number.

42102537 is a deficient number, since it is larger than the sum of its proper divisors (17356023).

42102537 is a wasteful number, since it uses less digits than its factorization.

42102537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4612.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 42102537 is about 6488.6467772564. The cubic root of 42102537 is about 347.8853086841.

It can be divided in two parts, 4 and 2102537, that multiplied together give a palindrome (8410148).

The spelling of 42102537 in words is "forty-two million, one hundred two thousand, five hundred thirty-seven".