613489455 has 24 divisors (see below), whose sum is σ = 1125934992. Its totient is φ = 307947264.

The previous prime is 613489447. The next prime is 613489477. The reversal of 613489455 is 554984316.

It is not a de Polignac number, because 613489455 - 2³ = 613489447 is a prime.

It is a super-2 number, since 2×613489455² = 752738622792394050, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 613489455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 400209 + ... + 401738.

It is an arithmetic number, because the mean of its divisors is an integer number (46913958).

Almost surely, 2^613489455 is an apocalyptic number.

613489455 is a deficient number, since it is larger than the sum of its proper divisors (512445537).

613489455 is a wasteful number, since it uses less digits than its factorization.

613489455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801975 (or 801972 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 613489455 is about 24768.7192846138. The cubic root of 613489455 is about 849.7066831080.

The spelling of 613489455 in words is "six hundred thirteen million, four hundred eighty-nine thousand, four hundred fifty-five".