97213654 has 4 divisors (see below), whose sum is σ = 145820484. Its totient is φ = 48606826.

The previous prime is 97213643. The next prime is 97213679. The reversal of 97213654 is 45631279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45631279 = 89 ⋅512711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24303412 + ... + 24303415.

It is an arithmetic number, because the mean of its divisors is an integer number (36455121).

Almost surely, 2^97213654 is an apocalyptic number.

97213654 is a deficient number, since it is larger than the sum of its proper divisors (48606830).

97213654 is a wasteful number, since it uses less digits than its factorization.

97213654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48606829.

The product of its digits is 45360, while the sum is 37.

The square root of 97213654 is about 9859.6984740914. The cubic root of 97213654 is about 459.8071876236.

The spelling of 97213654 in words is "ninety-seven million, two hundred thirteen thousand, six hundred fifty-four".