351253403 has 4 divisors (see below), whose sum is σ = 352711128. Its totient is φ = 349795680.

The previous prime is 351253391. The next prime is 351253411. The reversal of 351253403 is 304352153.

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 351253403 - 2⁴ = 351253387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351253603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728501 + ... + 728982.

It is an arithmetic number, because the mean of its divisors is an integer number (88177782).

Almost surely, 2^351253403 is an apocalyptic number.

351253403 is a deficient number, since it is larger than the sum of its proper divisors (1457725).

351253403 is a wasteful number, since it uses less digits than its factorization.

351253403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457724.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 351253403 is about 18741.7556007968. The cubic root of 351253403 is about 705.5701191181.

It can be divided in two parts, 351 and 253403, that multiplied together give a triangular number (88944453 = T₁₃₃₃₇).

The spelling of 351253403 in words is "three hundred fifty-one million, two hundred fifty-three thousand, four hundred three".