• 354253 is the smallest nontrivial such that

= rev() + pod(), where rev() is the number obtained reversing the digits of and pod() is the product of the digits of .

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354253 has 2 divisors, whose sum is σ = 354254. Its totient is φ = 354252.

The previous prime is 354251. The next prime is 354257. The reversal of 354253 is 352453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191844 + 162409 = 438^2 + 403^2 .

It is a cyclic number.

It is not a de Polignac number, because 354253 - 2¹ = 354251 is a prime.

It is a super-3 number, since 3×354253³ = 133371140513256831, which contains 333 as substring.

Together with 354251, it forms a pair of twin primes.

354253 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177126 + 177127.

It is an arithmetic number, because the mean of its divisors is an integer number (177127).

2³⁵⁴²⁵³ is an apocalyptic number.

It is an amenable number.

354253 is a deficient number, since it is larger than the sum of its proper divisors (1).

354253 is an equidigital number, since it uses as much as digits as its factorization.

354253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 22.

The square root of 354253 is about 595.1915658005. The cubic root of 354253 is about 70.7572880155.

The spelling of 354253 in words is "three hundred fifty-four thousand, two hundred fifty-three".