42253207 has 4 divisors (see below), whose sum is σ = 44477080. Its totient is φ = 40029336.

The previous prime is 42253199. The next prime is 42253213. The reversal of 42253207 is 70235224.

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

It is a cyclic number.

It is not a de Polignac number, because 42253207 - 2³ = 42253199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42233207) 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, 1111908 + ... + 1111945.

It is an arithmetic number, because the mean of its divisors is an integer number (11119270).

Almost surely, 2^42253207 is an apocalyptic number.

42253207 is a deficient number, since it is larger than the sum of its proper divisors (2223873).

42253207 is a wasteful number, since it uses less digits than its factorization.

42253207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223872.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 42253207 is about 6500.2466876266. The cubic root of 42253207 is about 348.2998005514.

The spelling of 42253207 in words is "forty-two million, two hundred fifty-three thousand, two hundred seven".