97519071 has 16 divisors (see below), whose sum is σ = 140336000. Its totient is φ = 59879520.

The previous prime is 97519069. The next prime is 97519073. The reversal of 97519071 is 17091579.

It is an interprime number because it is at equal distance from previous prime (97519069) and next prime (97519073).

It is not a de Polignac number, because 97519071 - 2¹ = 97519069 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97519073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16956 + ... + 21966.

It is an arithmetic number, because the mean of its divisors is an integer number (8771000).

Almost surely, 2^97519071 is an apocalyptic number.

97519071 is a deficient number, since it is larger than the sum of its proper divisors (42816929).

97519071 is a wasteful number, since it uses less digits than its factorization.

97519071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5526.

The product of its (nonzero) digits is 19845, while the sum is 39.

The square root of 97519071 is about 9875.1744794712. The cubic root of 97519071 is about 460.2882110043.

The spelling of 97519071 in words is "ninety-seven million, five hundred nineteen thousand, seventy-one".