340511051 has 4 divisors (see below), whose sum is σ = 343110504. Its totient is φ = 337911600.

The previous prime is 340511047. The next prime is 340511057. The reversal of 340511051 is 150115043.

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 340511051 - 2² = 340511047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340511057) 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, 1299530 + ... + 1299791.

It is an arithmetic number, because the mean of its divisors is an integer number (85777626).

Almost surely, 2^340511051 is an apocalyptic number.

340511051 is a deficient number, since it is larger than the sum of its proper divisors (2599453).

340511051 is a wasteful number, since it uses less digits than its factorization.

340511051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599452.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 340511051 is about 18452.9415270303. The cubic root of 340511051 is about 698.3027253967.

Adding to 340511051 its reverse (150115043), we get a palindrome (490626094).

The spelling of 340511051 in words is "three hundred forty million, five hundred eleven thousand, fifty-one".