615479 has 2 divisors, whose sum is σ = 615480. Its totient is φ = 615478.

The previous prime is 615473. The next prime is 615491. The reversal of 615479 is 974516.

It is a happy number.

615479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 615479 - 2¹⁶ = 549943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (615473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307739 + 307740.

It is an arithmetic number, because the mean of its divisors is an integer number (307740).

2⁶¹⁵⁴⁷⁹ is an apocalyptic number.

615479 is a deficient number, since it is larger than the sum of its proper divisors (1).

615479 is an equidigital number, since it uses as much as digits as its factorization.

615479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 615479 is about 784.5246968707. The cubic root of 615479 is about 85.0624224283.

The spelling of 615479 in words is "six hundred fifteen thousand, four hundred seventy-nine".