429402253 has 4 divisors (see below), whose sum is σ = 490745440. Its totient is φ = 368059068.

The previous prime is 429402229. The next prime is 429402289. The reversal of 429402253 is 352204924.

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 429402253 - 2¹⁷ = 429271181 is a prime.

It is a super-3 number, since 3×429402253³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429403253) 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, 30671583 + ... + 30671596.

It is an arithmetic number, because the mean of its divisors is an integer number (122686360).

Almost surely, 2^429402253 is an apocalyptic number.

It is an amenable number.

429402253 is a deficient number, since it is larger than the sum of its proper divisors (61343187).

429402253 is an equidigital number, since it uses as much as digits as its factorization.

429402253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61343186.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 429402253 is about 20722.0233809346. The cubic root of 429402253 is about 754.4343250488.

The spelling of 429402253 in words is "four hundred twenty-nine million, four hundred two thousand, two hundred fifty-three".