97380251 has 4 divisors (see below), whose sum is σ = 99644952. Its totient is φ = 95115552.

The previous prime is 97380223. The next prime is 97380259. The reversal of 97380251 is 15208379.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15208379 = 19 ⋅800441.

It is a cyclic number.

It is not a de Polignac number, because 97380251 - 2²² = 93185947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97380259) 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, 1132286 + ... + 1132371.

It is an arithmetic number, because the mean of its divisors is an integer number (24911238).

Almost surely, 2^97380251 is an apocalyptic number.

97380251 is a deficient number, since it is larger than the sum of its proper divisors (2264701).

97380251 is a wasteful number, since it uses less digits than its factorization.

97380251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264700.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 97380251 is about 9868.1432397387. The cubic root of 97380251 is about 460.0696980086.

The spelling of 97380251 in words is "ninety-seven million, three hundred eighty thousand, two hundred fifty-one".