42500153 has 4 divisors (see below), whose sum is σ = 45000180. Its totient is φ = 40000128.

The previous prime is 42500147. The next prime is 42500179. The reversal of 42500153 is 35100524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26081449 + 16418704 = 5107^2 + 4052^2 .

It is a cyclic number.

It is not a de Polignac number, because 42500153 - 2⁴ = 42500137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42500123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249988 + ... + 1250021.

It is an arithmetic number, because the mean of its divisors is an integer number (11250045).

Almost surely, 2^42500153 is an apocalyptic number.

It is an amenable number.

42500153 is a deficient number, since it is larger than the sum of its proper divisors (2500027).

42500153 is a wasteful number, since it uses less digits than its factorization.

42500153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500026.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 42500153 is about 6519.2141397564. The cubic root of 42500153 is about 348.9770211169.

Adding to 42500153 its reverse (35100524), we get a palindrome (77600677).

It can be divided in two parts, 42500 and 153, that multiplied together give a square (6502500 = 2550²).

The spelling of 42500153 in words is "forty-two million, five hundred thousand, one hundred fifty-three".