406072253 has 4 divisors (see below), whose sum is σ = 407014848. Its totient is φ = 405129660.

The previous prime is 406072231. The next prime is 406072267. The reversal of 406072253 is 352270604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 406072253 - 2⁸ = 406071997 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 (406012253) 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, 470651 + ... + 471512.

It is an arithmetic number, because the mean of its divisors is an integer number (101753712).

Almost surely, 2^406072253 is an apocalyptic number.

It is an amenable number.

406072253 is a deficient number, since it is larger than the sum of its proper divisors (942595).

406072253 is an equidigital number, since it uses as much as digits as its factorization.

406072253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942594.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 406072253 is about 20151.2345279390. The cubic root of 406072253 is about 740.5159860034.

The spelling of 406072253 in words is "four hundred six million, seventy-two thousand, two hundred fifty-three".