5212978 has 4 divisors (see below), whose sum is σ = 7819470. Its totient is φ = 2606488.

The previous prime is 5212943. The next prime is 5212979. The reversal of 5212978 is 8792125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5121169 + 91809 = 2263^2 + 303^2 .

It is not an unprimeable number, because it can be changed into a prime (5212979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1303243 + ... + 1303246.

Almost surely, 2^5212978 is an apocalyptic number.

5212978 is a deficient number, since it is larger than the sum of its proper divisors (2606492).

5212978 is a wasteful number, since it uses less digits than its factorization.

5212978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606491.

The product of its digits is 10080, while the sum is 34.

The square root of 5212978 is about 2283.1946916547. The cubic root of 5212978 is about 173.3918301904.

The spelling of 5212978 in words is "five million, two hundred twelve thousand, nine hundred seventy-eight".