97862549 has 2 divisors, whose sum is σ = 97862550. Its totient is φ = 97862548.

The previous prime is 97862519. The next prime is 97862581. The reversal of 97862549 is 94526879.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75603025 + 22259524 = 8695^2 + 4718^2 .

It is a cyclic number.

It is not a de Polignac number, because 97862549 - 2²⁰ = 96813973 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 97862497 and 97862506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97862509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48931274 + 48931275.

It is an arithmetic number, because the mean of its divisors is an integer number (48931275).

Almost surely, 2^97862549 is an apocalyptic number.

It is an amenable number.

97862549 is a deficient number, since it is larger than the sum of its proper divisors (1).

97862549 is an equidigital number, since it uses as much as digits as its factorization.

97862549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 50.

The square root of 97862549 is about 9892.5501767744. The cubic root of 97862549 is about 460.8279810488.

The spelling of 97862549 in words is "ninety-seven million, eight hundred sixty-two thousand, five hundred forty-nine".