613005025 has 6 divisors (see below), whose sum is σ = 760126262. Its totient is φ = 490404000.

The previous prime is 613004969. The next prime is 613005031. The reversal of 613005025 is 520500316.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 116294656 + 496710369 = 10784^2 + 22287^2 .

It is not a de Polignac number, because 613005025 - 2¹⁵ = 612972257 is a prime.

It is a super-3 number, since 3×613005025³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 613004987 and 613005005.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12260076 + ... + 12260125.

Almost surely, 2^613005025 is an apocalyptic number.

It is an amenable number.

613005025 is a deficient number, since it is larger than the sum of its proper divisors (147121237).

613005025 is a wasteful number, since it uses less digits than its factorization.

613005025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24520211 (or 24520206 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 613005025 is about 24758.9382849911. The cubic root of 613005025 is about 849.4829727702.

The spelling of 613005025 in words is "six hundred thirteen million, five thousand, twenty-five".