980661513 has 32 divisors (see below), whose sum is σ = 1435585536. Its totient is φ = 591801408.

The previous prime is 980661457. The next prime is 980661547. The reversal of 980661513 is 315166089.

It is not a de Polignac number, because 980661513 - 2¹³ = 980653321 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (980661553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 686506 + ... + 687932.

It is an arithmetic number, because the mean of its divisors is an integer number (44862048).

Almost surely, 2^980661513 is an apocalyptic number.

It is an amenable number.

980661513 is a deficient number, since it is larger than the sum of its proper divisors (454924023).

980661513 is a wasteful number, since it uses less digits than its factorization.

980661513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 980661513 is about 31315.5155314422. The cubic root of 980661513 is about 993.5118323904.

The spelling of 980661513 in words is "nine hundred eighty million, six hundred sixty-one thousand, five hundred thirteen".