354025009 has 16 divisors (see below), whose sum is σ = 390394368. Its totient is φ = 318998592.

The previous prime is 354025003. The next prime is 354025013. The reversal of 354025009 is 900520453.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354025009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (354025003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443799 + ... + 444595.

It is an arithmetic number, because the mean of its divisors is an integer number (24399648).

Almost surely, 2^354025009 is an apocalyptic number.

It is an amenable number.

354025009 is a deficient number, since it is larger than the sum of its proper divisors (36369359).

354025009 is a wasteful number, since it uses less digits than its factorization.

354025009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 354025009 is about 18815.5523171657. The cubic root of 354025009 is about 707.4210537590.

It can be divided in two parts, 35402500 and 9, that multiplied together give a square (318622500 = 17850²).

The spelling of 354025009 in words is "three hundred fifty-four million, twenty-five thousand, nine".