1045720519 has 2 divisors, whose sum is σ = 1045720520. Its totient is φ = 1045720518.

The previous prime is 1045720477. The next prime is 1045720561. The reversal of 1045720519 is 9150275401.

It is a balanced prime because it is at equal distance from previous prime (1045720477) and next prime (1045720561).

It is an emirp because it is prime and its reverse (9150275401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1045720519 - 2¹⁵ = 1045687751 is a prime.

It is a super-2 number, since 2×1045720519² = 2187062807715258722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1045720579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522860259 + 522860260.

It is an arithmetic number, because the mean of its divisors is an integer number (522860260).

Almost surely, 2^1045720519 is an apocalyptic number.

1045720519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045720519 is an equidigital number, since it uses as much as digits as its factorization.

1045720519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 1045720519 is about 32337.6022456830. The cubic root of 1045720519 is about 1015.0136356731.

It can be divided in two parts, 10457 and 20519, that added together give a square (30976 = 176²).

The spelling of 1045720519 in words is "one billion, forty-five million, seven hundred twenty thousand, five hundred nineteen".