253149077 has 2 divisors, whose sum is σ = 253149078. Its totient is φ = 253149076.

The previous prime is 253149067. The next prime is 253149133. The reversal of 253149077 is 770941352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213130801 + 40018276 = 14599^2 + 6326^2 .

It is a cyclic number.

It is not a de Polignac number, because 253149077 - 2²² = 248954773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253149077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253149037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126574538 + 126574539.

It is an arithmetic number, because the mean of its divisors is an integer number (126574539).

Almost surely, 2^253149077 is an apocalyptic number.

It is an amenable number.

253149077 is a deficient number, since it is larger than the sum of its proper divisors (1).

253149077 is an equidigital number, since it uses as much as digits as its factorization.

253149077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 253149077 is about 15910.6592258146. The cubic root of 253149077 is about 632.5945549609.

The spelling of 253149077 in words is "two hundred fifty-three million, one hundred forty-nine thousand, seventy-seven".