97581542 has 8 divisors (see below), whose sum is σ = 146415216. Its totient is φ = 48776472.

The previous prime is 97581529. The next prime is 97581551. The reversal of 97581542 is 24518579.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 97581542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6908 + ... + 15584.

It is an arithmetic number, because the mean of its divisors is an integer number (18301902).

Almost surely, 2^97581542 is an apocalyptic number.

97581542 is a deficient number, since it is larger than the sum of its proper divisors (48833674).

97581542 is a wasteful number, since it uses less digits than its factorization.

97581542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14302.

The product of its digits is 100800, while the sum is 41.

The square root of 97581542 is about 9878.3370057920. The cubic root of 97581542 is about 460.3864773455.

The spelling of 97581542 in words is "ninety-seven million, five hundred eighty-one thousand, five hundred forty-two".