5215123284 has 48 divisors (see below), whose sum is σ = 14044711296. Its totient is φ = 1475280000.

The previous prime is 5215123271. The next prime is 5215123297. The reversal of 5215123284 is 4823215125.

It is an interprime number because it is at equal distance from previous prime (5215123271) and next prime (5215123297).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298867 + ... + 315834.

It is an arithmetic number, because the mean of its divisors is an integer number (292598152).

Almost surely, 2^5215123284 is an apocalyptic number.

It is an amenable number.

5215123284 is an abundant number, since it is smaller than the sum of its proper divisors (8829588012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5215123284 is a wasteful number, since it uses less digits than its factorization.

5215123284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614816 (or 614814 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 5215123284 is about 72215.8104849624. The cubic root of 5215123284 is about 1734.1561209937.

The spelling of 5215123284 in words is "five billion, two hundred fifteen million, one hundred twenty-three thousand, two hundred eighty-four".