4961215 has 16 divisors (see below), whose sum is σ = 7100928. Its totient is φ = 3253536.

The previous prime is 4961213. The next prime is 4961237. The reversal of 4961215 is 5121694.

It is a cyclic number.

It is not a de Polignac number, because 4961215 - 2¹ = 4961213 is a prime.

It is a super-2 number, since 2×4961215² = 49227308552450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4961213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2277 + ... + 3886.

It is an arithmetic number, because the mean of its divisors is an integer number (443808).

Almost surely, 2^4961215 is an apocalyptic number.

4961215 is a deficient number, since it is larger than the sum of its proper divisors (2139713).

4961215 is a wasteful number, since it uses less digits than its factorization.

4961215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6198.

The product of its digits is 2160, while the sum is 28.

The square root of 4961215 is about 2227.3785039818. The cubic root of 4961215 is about 170.5543037009.

It can be divided in two parts, 496 and 1215, that added together give a triangular number (1711 = T₅₈).

The spelling of 4961215 in words is "four million, nine hundred sixty-one thousand, two hundred fifteen".