616251479 has 8 divisors (see below), whose sum is σ = 675002160. Its totient is φ = 560000896.

The previous prime is 616251439. The next prime is 616251481. The reversal of 616251479 is 974152616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 616251479 - 2¹⁶ = 616185943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616251409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624509 + ... + 625494.

It is an arithmetic number, because the mean of its divisors is an integer number (84375270).

Almost surely, 2^616251479 is an apocalyptic number.

616251479 is a deficient number, since it is larger than the sum of its proper divisors (58750681).

616251479 is a wasteful number, since it uses less digits than its factorization.

616251479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250049.

The product of its digits is 90720, while the sum is 41.

The square root of 616251479 is about 24824.4129638548. The cubic root of 616251479 is about 850.9799443217.

The spelling of 616251479 in words is "six hundred sixteen million, two hundred fifty-one thousand, four hundred seventy-nine".