42253612 has 6 divisors (see below), whose sum is σ = 73943828. Its totient is φ = 21126804.

The previous prime is 42253597. The next prime is 42253613. The reversal of 42253612 is 21635224.

It is not an unprimeable number, because it can be changed into a prime (42253613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5281698 + ... + 5281705.

Almost surely, 2^42253612 is an apocalyptic number.

It is an amenable number.

42253612 is a deficient number, since it is larger than the sum of its proper divisors (31690216).

42253612 is a wasteful number, since it uses less digits than its factorization.

42253612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10563407 (or 10563405 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 42253612 is about 6500.2778402158. The cubic root of 42253612 is about 348.3009133740.

Adding to 42253612 its reverse (21635224), we get a palindrome (63888836).

It can be divided in two parts, 42253 and 612, that multiplied together give a triangular number (25858836 = T₇₁₉₁).

The spelling of 42253612 in words is "forty-two million, two hundred fifty-three thousand, six hundred twelve".