613497225 has 72 divisors (see below), whose sum is σ = 1132670560. Its totient is φ = 292723200.

The previous prime is 613497221. The next prime is 613497253. The reversal of 613497225 is 522794316.

It is not a de Polignac number, because 613497225 - 2² = 613497221 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (613497221) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 607521 + ... + 608529.

Almost surely, 2^613497225 is an apocalyptic number.

It is an amenable number.

613497225 is a deficient number, since it is larger than the sum of its proper divisors (519173335).

613497225 is a wasteful number, since it uses less digits than its factorization.

613497225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111 (or 1095 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 613497225 is about 24768.8761351822. The cubic root of 613497225 is about 849.7102703432.

The spelling of 613497225 in words is "six hundred thirteen million, four hundred ninety-seven thousand, two hundred twenty-five".