254272991 has 32 divisors (see below), whose sum is σ = 317084160. Its totient is φ = 199034496.

The previous prime is 254272951. The next prime is 254272999. The reversal of 254272991 is 199272452.

It is a cyclic number.

It is not a de Polignac number, because 254272991 - 2²⁶ = 187164127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254272999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 801965 + ... + 802281.

It is an arithmetic number, because the mean of its divisors is an integer number (9908880).

Almost surely, 2^254272991 is an apocalyptic number.

254272991 is a deficient number, since it is larger than the sum of its proper divisors (62811169).

254272991 is a wasteful number, since it uses less digits than its factorization.

254272991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543.

The product of its digits is 90720, while the sum is 41.

The square root of 254272991 is about 15945.9396399209. The cubic root of 254272991 is about 633.5293562818.

The spelling of 254272991 in words is "two hundred fifty-four million, two hundred seventy-two thousand, nine hundred ninety-one".