253314487 has 2 divisors, whose sum is σ = 253314488. Its totient is φ = 253314486.

The previous prime is 253314431. The next prime is 253314491. The reversal of 253314487 is 784413352.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253314487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253314497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126657243 + 126657244.

It is an arithmetic number, because the mean of its divisors is an integer number (126657244).

Almost surely, 2^253314487 is an apocalyptic number.

253314487 is a deficient number, since it is larger than the sum of its proper divisors (1).

253314487 is an equidigital number, since it uses as much as digits as its factorization.

253314487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

The square root of 253314487 is about 15915.8564645450. The cubic root of 253314487 is about 632.7323060501.

It can be divided in two parts, 2533 and 14487, that added together give a triangular number (17020 = T₁₈₄).

The spelling of 253314487 in words is "two hundred fifty-three million, three hundred fourteen thousand, four hundred eighty-seven".