107513621 has 2 divisors, whose sum is σ = 107513622. Its totient is φ = 107513620.

The previous prime is 107513617. The next prime is 107513629. The reversal of 107513621 is 126315701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97022500 + 10491121 = 9850^2 + 3239^2 .

It is a cyclic number.

It is not a de Polignac number, because 107513621 - 2² = 107513617 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107513629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53756810 + 53756811.

It is an arithmetic number, because the mean of its divisors is an integer number (53756811).

Almost surely, 2^107513621 is an apocalyptic number.

It is an amenable number.

107513621 is a deficient number, since it is larger than the sum of its proper divisors (1).

107513621 is an equidigital number, since it uses as much as digits as its factorization.

107513621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 107513621 is about 10368.8775188060. The cubic root of 107513621 is about 475.5043521962.

The spelling of 107513621 in words is "one hundred seven million, five hundred thirteen thousand, six hundred twenty-one".