314161261 has 2 divisors, whose sum is σ = 314161262. Its totient is φ = 314161260.

The previous prime is 314161249. The next prime is 314161277. The reversal of 314161261 is 162161413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173738761 + 140422500 = 13181^2 + 11850^2 .

It is an emirp because it is prime and its reverse (162161413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 314161261 - 2²³ = 305772653 is a prime.

It is a super-2 number, since 2×314161261² = 197394595826220242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314161201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157080630 + 157080631.

It is an arithmetic number, because the mean of its divisors is an integer number (157080631).

Almost surely, 2^314161261 is an apocalyptic number.

It is an amenable number.

314161261 is a deficient number, since it is larger than the sum of its proper divisors (1).

314161261 is an equidigital number, since it uses as much as digits as its factorization.

314161261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 25.

The square root of 314161261 is about 17724.5948049596. The cubic root of 314161261 is about 679.8047745509.

The spelling of 314161261 in words is "three hundred fourteen million, one hundred sixty-one thousand, two hundred sixty-one".