725040519 has 16 divisors (see below), whose sum is σ = 1115765760. Its totient is φ = 410205600.

The previous prime is 725040517. The next prime is 725040527. The reversal of 725040519 is 915040527.

It is not a de Polignac number, because 725040519 - 2¹ = 725040517 is a prime.

It is a super-2 number, since 2×725040519² = 1051367508383578722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 725040519.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725040517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168799 + ... + 173040.

It is an arithmetic number, because the mean of its divisors is an integer number (69735360).

Almost surely, 2^725040519 is an apocalyptic number.

725040519 is a deficient number, since it is larger than the sum of its proper divisors (390725241).

725040519 is a wasteful number, since it uses less digits than its factorization.

725040519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341950.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 725040519 is about 26926.5764441007. The cubic root of 725040519 is about 898.3676250205.

The spelling of 725040519 in words is "seven hundred twenty-five million, forty thousand, five hundred nineteen".