514904945 has 4 divisors (see below), whose sum is σ = 617885940. Its totient is φ = 411923952.

The previous prime is 514904941. The next prime is 514905011. The reversal of 514904945 is 549409415.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 364695409 + 150209536 = 19097^2 + 12256^2 .

It is a cyclic number.

It is not a de Polignac number, because 514904945 - 2² = 514904941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (514904941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51490490 + ... + 51490499.

It is an arithmetic number, because the mean of its divisors is an integer number (154471485).

Almost surely, 2^514904945 is an apocalyptic number.

It is an amenable number.

514904945 is a deficient number, since it is larger than the sum of its proper divisors (102980995).

514904945 is a wasteful number, since it uses less digits than its factorization.

514904945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102980994.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 514904945 is about 22691.5170272946. The cubic root of 514904945 is about 801.5101397413.

The spelling of 514904945 in words is "five hundred fourteen million, nine hundred four thousand, nine hundred forty-five".