97270549 has 4 divisors (see below), whose sum is σ = 102992364. Its totient is φ = 91548736.

The previous prime is 97270541. The next prime is 97270559. The reversal of 97270549 is 94507279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94507279 = 401 ⋅235679.

It can be written as a sum of positive squares in 2 ways, for example, as 40870449 + 56400100 = 6393^2 + 7510^2 .

It is a cyclic number.

It is not a de Polignac number, because 97270549 - 2³ = 97270541 is a prime.

It is a super-2 number, since 2×97270549² = 18923119405522802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97270541) 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, 2860882 + ... + 2860915.

It is an arithmetic number, because the mean of its divisors is an integer number (25748091).

Almost surely, 2^97270549 is an apocalyptic number.

It is an amenable number.

97270549 is a deficient number, since it is larger than the sum of its proper divisors (5721815).

97270549 is a wasteful number, since it uses less digits than its factorization.

97270549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5721814.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 97270549 is about 9862.5832822846. The cubic root of 97270549 is about 459.8968719664.

The spelling of 97270549 in words is "ninety-seven million, two hundred seventy thousand, five hundred forty-nine".