978925053 has 4 divisors (see below), whose sum is σ = 1305233408. Its totient is φ = 652616700.

The previous prime is 978925043. The next prime is 978925063. The reversal of 978925053 is 350529879.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (978925043) and next prime (978925063).

It is not a de Polignac number, because 978925053 - 2¹⁶ = 978859517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 978924993 and 978925011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978925033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163154173 + ... + 163154178.

It is an arithmetic number, because the mean of its divisors is an integer number (326308352).

Almost surely, 2^978925053 is an apocalyptic number.

It is an amenable number.

978925053 is a deficient number, since it is larger than the sum of its proper divisors (326308355).

978925053 is a wasteful number, since it uses less digits than its factorization.

978925053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326308354.

The product of its (nonzero) digits is 680400, while the sum is 48.

The square root of 978925053 is about 31287.7780131476. The cubic root of 978925053 is about 992.9250812349.

The spelling of 978925053 in words is "nine hundred seventy-eight million, nine hundred twenty-five thousand, fifty-three".