681514484 has 24 divisors (see below), whose sum is σ = 1367697408. Its totient is φ = 291077280.

The previous prime is 681514469. The next prime is 681514489. The reversal of 681514484 is 484415186.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681514489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33332 + ... + 49739.

It is an arithmetic number, because the mean of its divisors is an integer number (56987392).

Almost surely, 2^681514484 is an apocalyptic number.

It is an amenable number.

681514484 is an abundant number, since it is smaller than the sum of its proper divisors (686182924).

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

681514484 is a wasteful number, since it uses less digits than its factorization.

681514484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83375 (or 83373 counting only the distinct ones).

The product of its digits is 122880, while the sum is 41.

The square root of 681514484 is about 26105.8323751609. The cubic root of 681514484 is about 880.0182864657.

The spelling of 681514484 in words is "six hundred eighty-one million, five hundred fourteen thousand, four hundred eighty-four".