97154535461 has 4 divisors (see below), whose sum is σ = 97169036352. Its totient is φ = 97140034572.

The previous prime is 97154535403. The next prime is 97154535481. The reversal of 97154535461 is 16453545179.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97154535461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97154535481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7240391 + ... + 7253796.

It is an arithmetic number, because the mean of its divisors is an integer number (24292259088).

Almost surely, 2^97154535461 is an apocalyptic number.

It is an amenable number.

97154535461 is a deficient number, since it is larger than the sum of its proper divisors (14500891).

97154535461 is a wasteful number, since it uses less digits than its factorization.

97154535461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14500890.

The product of its digits is 2268000, while the sum is 50.

The spelling of 97154535461 in words is "ninety-seven billion, one hundred fifty-four million, five hundred thirty-five thousand, four hundred sixty-one".