2516704425 has 30 divisors (see below), whose sum is σ = 4661810318. Its totient is φ = 1342241280.

The previous prime is 2516704423. The next prime is 2516704427. The reversal of 2516704425 is 5244076152.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2516704423) and next prime (2516704427).

It can be written as a sum of positive squares in 3 ways, for example, as 199148544 + 2317555881 = 14112^2 + 48141^2 .

It is not a de Polignac number, because 2516704425 - 2¹ = 2516704423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2516704425.

It is not an unprimeable number, because it can be changed into a prime (2516704423) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 619384 + ... + 623433.

Almost surely, 2^2516704425 is an apocalyptic number.

2516704425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2516704425 is a deficient number, since it is larger than the sum of its proper divisors (2145105893).

2516704425 is a wasteful number, since it uses less digits than its factorization.

2516704425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242839 (or 1242825 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 2516704425 is about 50166.7661405437. The cubic root of 2516704425 is about 1360.2249528772.

The spelling of 2516704425 in words is "two billion, five hundred sixteen million, seven hundred four thousand, four hundred twenty-five".