4975815 has 64 divisors (see below), whose sum is σ = 9676800. Its totient is φ = 2156544.

The previous prime is 4975813. The next prime is 4975819. The reversal of 4975815 is 5185794.

4975815 = 93² + 94² + ... + 250².

It is not a de Polignac number, because 4975815 - 2¹ = 4975813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4975813) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62946 + ... + 63024.

It is an arithmetic number, because the mean of its divisors is an integer number (151200).

Almost surely, 2^4975815 is an apocalyptic number.

4975815 is a deficient number, since it is larger than the sum of its proper divisors (4700985).

4975815 is a wasteful number, since it uses less digits than its factorization.

4975815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136.

The product of its digits is 50400, while the sum is 39.

The square root of 4975815 is about 2230.6534916925. The cubic root of 4975815 is about 170.7214438189.

The spelling of 4975815 in words is "four million, nine hundred seventy-five thousand, eight hundred fifteen".