254540077 has 12 divisors (see below), whose sum is σ = 280169820. Its totient is φ = 231080960.

The previous prime is 254540059. The next prime is 254540107. The reversal of 254540077 is 770045452.

It can be written as a sum of positive squares in 2 ways, for example, as 95628841 + 158911236 = 9779^2 + 12606^2 .

It is not a de Polignac number, because 254540077 - 2⁷ = 254539949 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 (254540477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169743 + ... + 171235.

It is an arithmetic number, because the mean of its divisors is an integer number (23347485).

Almost surely, 2^254540077 is an apocalyptic number.

It is an amenable number.

254540077 is a deficient number, since it is larger than the sum of its proper divisors (25629743).

254540077 is a wasteful number, since it uses less digits than its factorization.

254540077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2924 (or 2913 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 254540077 is about 15954.3121757097. The cubic root of 254540077 is about 633.7510964557.

The spelling of 254540077 in words is "two hundred fifty-four million, five hundred forty thousand, seventy-seven".