254109397 has 16 divisors (see below), whose sum is σ = 267906240. Its totient is φ = 240694272.

The previous prime is 254109337. The next prime is 254109407. The reversal of 254109397 is 793901452.

It is a cyclic number.

It is not a de Polignac number, because 254109397 - 2²⁷ = 119891669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254109337) 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, 464278 + ... + 464824.

It is an arithmetic number, because the mean of its divisors is an integer number (16744140).

Almost surely, 2^254109397 is an apocalyptic number.

It is an amenable number.

254109397 is a deficient number, since it is larger than the sum of its proper divisors (13796843).

254109397 is a wasteful number, since it uses less digits than its factorization.

254109397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 254109397 is about 15940.8091701770. The cubic root of 254109397 is about 633.3934605580.

The spelling of 254109397 in words is "two hundred fifty-four million, one hundred nine thousand, three hundred ninety-seven".