351434427 has 4 divisors (see below), whose sum is σ = 468579240. Its totient is φ = 234289616.

The previous prime is 351434417. The next prime is 351434437. The reversal of 351434427 is 724434153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724434153 = 3 ⋅241478051.

It is an interprime number because it is at equal distance from previous prime (351434417) and next prime (351434437).

It is a cyclic number.

It is not a de Polignac number, because 351434427 - 2¹⁶ = 351368891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (351434417) 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, 58572402 + ... + 58572407.

It is an arithmetic number, because the mean of its divisors is an integer number (117144810).

Almost surely, 2^351434427 is an apocalyptic number.

351434427 is a deficient number, since it is larger than the sum of its proper divisors (117144813).

351434427 is a wasteful number, since it uses less digits than its factorization.

351434427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117144812.

The product of its digits is 40320, while the sum is 33.

The square root of 351434427 is about 18746.5844088997. The cubic root of 351434427 is about 705.6913072107.

It can be divided in two parts, 351 and 434427, that added together give a triangular number (434778 = T₉₃₂).

The spelling of 351434427 in words is "three hundred fifty-one million, four hundred thirty-four thousand, four hundred twenty-seven".