514498981 has 2 divisors, whose sum is σ = 514498982. Its totient is φ = 514498980.

The previous prime is 514498973. The next prime is 514498991. The reversal of 514498981 is 189894415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 392396481 + 122102500 = 19809^2 + 11050^2 .

It is a cyclic number.

It is not a de Polignac number, because 514498981 - 2³ = 514498973 is a prime.

It is a super-2 number, since 2×514498981² = 529418402900076722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514498951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257249490 + 257249491.

It is an arithmetic number, because the mean of its divisors is an integer number (257249491).

Almost surely, 2^514498981 is an apocalyptic number.

It is an amenable number.

514498981 is a deficient number, since it is larger than the sum of its proper divisors (1).

514498981 is an equidigital number, since it uses as much as digits as its factorization.

514498981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 49.

The square root of 514498981 is about 22682.5699822573. The cubic root of 514498981 is about 801.2994407785.

The spelling of 514498981 in words is "five hundred fourteen million, four hundred ninety-eight thousand, nine hundred eighty-one".